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

bin | 1011111010111… |

… | …10000001100100 |

3 | 20222011111222221 |

4 | 11331132001210 |

5 | 201044443334 |

6 | 13531202124 |

7 | 2322661510 |

oct | 575360144 |

9 | 228144887 |

10 | 99999844 |

11 | 514a13aa |

12 | 295a6344 |

13 | 17943709 |

14 | d3d1140 |

15 | 8ba48b4 |

hex | 5f5e064 |

99999844 has 12 divisors (see below), whose sum is σ = 199999744. Its totient is φ = 42857064.

The previous prime is 99999839. The next prime is 99999847. The reversal of 99999844 is 44899999.

99999844 is an admirable number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99999847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785684 + ... + 1785739.

Almost surely, 2^{99999844} is an apocalyptic number.

It is an amenable number.

99999844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99999844 is a wasteful number, since it uses less digits than its factorization.

99999844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571434 (or 3571432 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 61.

The square root of 99999844 is about 9999.9921999970. The cubic root of 99999844 is about 464.1586419985.

The spelling of 99999844 in words is "ninety-nine million, nine hundred ninety-nine thousand, eight hundred forty-four".

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