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

bin | 1010010101111… |

… | …11111001001000 |

3 | 20001021022222222 |

4 | 11022333321020 |

5 | 134203103344 |

6 | 12335433212 |

7 | 2102345333 |

oct | 512777110 |

9 | 201238888 |

10 | 86769224 |

11 | 44a85003 |

12 | 25085808 |

13 | 14c90549 |

14 | b74961a |

15 | 793e5ee |

hex | 52bfe48 |

86769224 has 32 divisors (see below), whose sum is σ = 173557080. Its totient is φ = 40525824.

The previous prime is 86769211. The next prime is 86769233. The reversal of 86769224 is 42296768.

It is a Cunningham number, because it is equal to 9315^{2}-1.

It can be written as a sum of positive squares in 4 ways, for example, as 72556324 + 14212900 = 8518^2 + 3770^2 .

86769224 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16304 + ... + 20960.

Almost surely, 2^{86769224} is an apocalyptic number.

It is an amenable number.

86769224 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

86769224 is a wasteful number, since it uses less digits than its factorization.

86769224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817 (or 4813 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 86769224 is about 9314.9999463231. Note that the first 4 decimals coincide. The cubic root of 86769224 is about 442.7126223438.

The spelling of 86769224 in words is "eighty-six million, seven hundred sixty-nine thousand, two hundred twenty-four".

Divisors: 1 2 4 8 17 34 68 136 137 274 548 1096 2329 4657 4658 9314 9316 18628 18632 37256 79169 158338 316676 633352 638009 1276018 2552036 5104072 10846153 21692306 43384612 86769224

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