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

bin | 1110111111110100000 |

3 | 220222002220 |

4 | 1313332200 |

5 | 111211144 |

6 | 14311040 |

7 | 4114503 |

oct | 1677640 |

9 | 828086 |

10 | 491424 |

11 | 30623a |

12 | 1b8480 |

13 | 1428ab |

14 | cb13a |

15 | 9a919 |

hex | 77fa0 |

491424 has 24 divisors (see below), whose sum is σ = 1290240. Its totient is φ = 163776.

The previous prime is 491423. The next prime is 491429. The reversal of 491424 is 424194.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to *n*+sod(*n*) for *n* = 491394 and 491403.

It is not an unprimeable number, because it can be changed into a prime (491423) 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, 2464 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (53760).

2^{491424} is an apocalyptic number.

It is an amenable number.

491424 is an abundant number, since it is smaller than the sum of its proper divisors (798816).

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

491424 is a wasteful number, since it uses less digits than its factorization.

491424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5124 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 491424 is about 701.0164049436. The cubic root of 491424 is about 78.9136481022.

The spelling of 491424 in words is "four hundred ninety-one thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 5119 10238 15357 20476 30714 40952 61428 81904 122856 163808 245712 491424

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