Base | Representation |
---|---|

bin | 1100011101011… |

… | …0001111011101 |

3 | 10122022222011111 |

4 | 3013112033131 |

5 | 101334222012 |

6 | 5104022021 |

7 | 1203116656 |

oct | 307261735 |

9 | 118288144 |

10 | 52257757 |

11 | 27553032 |

12 | 15601911 |

13 | aa98c66 |

14 | 6d2452d |

15 | 48c3ba7 |

hex | 31d63dd |

52257757 has 2 divisors, whose sum is σ = 52257758. Its totient is φ = 52257756.

The previous prime is 52257731. The next prime is 52257773. The reversal of 52257757 is 75775225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50851161 + 1406596 = 7131^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 52257757 - 2^{19} = 51733469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52257787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128878 + 26128879.

It is an arithmetic number, because the mean of its divisors is an integer number (26128879).

Almost surely, 2^{52257757} is an apocalyptic number.

It is an amenable number.

52257757 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257757 is an equidigital number, since it uses as much as digits as its factorization.

52257757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 171500, while the sum is 40.

The square root of 52257757 is about 7228.9526903971. The cubic root of 52257757 is about 373.8668179934.

The spelling of 52257757 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred fifty-seven".

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