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

bin | 110111110001111 |

3 | 1110011202 |

4 | 12332033 |

5 | 1403214 |

6 | 340115 |

7 | 146156 |

oct | 67617 |

9 | 43152 |

10 | 28559 |

11 | 1a503 |

12 | 1463b |

13 | cccb |

14 | a59d |

15 | 86de |

hex | 6f8f |

28559 has 2 divisors, whose sum is σ = 28560. Its totient is φ = 28558.

The previous prime is 28549. The next prime is 28571. The reversal of 28559 is 95582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^{k}-28559 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14279 + 14280.

It is an arithmetic number, because the mean of its divisors is an integer number (14280).

28559 is a Friedman number, since it can be written as (8+5)^(9-5)-2, using all its digits and the basic arithmetic operations.

2^{28559} is an apocalyptic number.

28559 is a deficient number, since it is larger than the sum of its proper divisors (1).

28559 is an equidigital number, since it uses as much as digits as its factorization.

28559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 28559 is about 168.9940827366. The cubic root of 28559 is about 30.5666374251.

The spelling of 28559 in words is "twenty-eight thousand, five hundred fifty-nine".

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