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

bin | 10010110110011… |

… | …10000111000001 |

3 | 102000112212102211 |

4 | 21123032013001 |

5 | 310440140000 |

6 | 23405142121 |

7 | 3630042142 |

oct | 1133160701 |

9 | 360485384 |

10 | 158130625 |

11 | 81295974 |

12 | 44b5a941 |

13 | 269b7923 |

14 | 17003ac9 |

15 | dd387ba |

hex | 96ce1c1 |

158130625 has 15 divisors (see below), whose sum is σ = 197993653. Its totient is φ = 126253000.

The previous prime is 158130613. The next prime is 158130667. The reversal of 158130625 is 526031851.

The square root of 158130625 is 12575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 145733184 = 3521^2 + 12072^2 .

It is not a de Polignac number, because 158130625 - 2^{17} = 157999553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 314124 + ... + 314626.

Almost surely, 2^{158130625} is an apocalyptic number.

158130625 is the 12575-th square number.

158130625 is the 6288-th centered octagonal number.

It is an amenable number.

158130625 is a deficient number, since it is larger than the sum of its proper divisors (39863028).

158130625 is an frugal number, since it uses more digits than its factorization.

158130625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The cubic root of 158130625 is about 540.7609584884.

The spelling of 158130625 in words is "one hundred fifty-eight million, one hundred thirty thousand, six hundred twenty-five".

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