Base | Representation |
---|---|
bin | 1101110100111… |
… | …0000001011100 |
3 | 11001010021001110 |
4 | 3131032001130 |
5 | 104321210020 |
6 | 5430542020 |
7 | 1302626505 |
oct | 335160134 |
9 | 131107043 |
10 | 57991260 |
11 | 2a809768 |
12 | 17507910 |
13 | c025872 |
14 | 79b7bac |
15 | 51578e0 |
hex | 374e05c |
57991260 has 24 divisors (see below), whose sum is σ = 162375696. Its totient is φ = 15464320.
The previous prime is 57991259. The next prime is 57991319. The reversal of 57991260 is 6219975.
57991260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 483201 + ... + 483320.
It is an arithmetic number, because the mean of its divisors is an integer number (6765654).
Almost surely, 257991260 is an apocalyptic number.
It is an amenable number.
57991260 is an abundant number, since it is smaller than the sum of its proper divisors (104384436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57991260 is a wasteful number, since it uses less digits than its factorization.
57991260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 966533 (or 966531 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 57991260 is about 7615.1992751339. The cubic root of 57991260 is about 387.0682197172.
The spelling of 57991260 in words is "fifty-seven million, nine hundred ninety-one thousand, two hundred sixty".
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