Base | Representation |
---|---|
bin | 1101101100111… |
… | …1011111000001 |
3 | 11000010221002012 |
4 | 3123033133001 |
5 | 104203113321 |
6 | 5411502305 |
7 | 1265340440 |
oct | 333173701 |
9 | 130127065 |
10 | 57472961 |
11 | 2a495317 |
12 | 172b7995 |
13 | bba3990 |
14 | 78c0d57 |
15 | 50a405b |
hex | 36cf7c1 |
57472961 has 16 divisors (see below), whose sum is σ = 71307264. Its totient is φ = 45105984.
The previous prime is 57472949. The next prime is 57472969. The reversal of 57472961 is 16927475.
It is not a de Polignac number, because 57472961 - 218 = 57210817 is a prime.
It is a super-2 number, since 2×574729612 = 6606282492215042, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (57472969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9071 + ... + 14043.
It is an arithmetic number, because the mean of its divisors is an integer number (4456704).
Almost surely, 257472961 is an apocalyptic number.
It is an amenable number.
57472961 is a deficient number, since it is larger than the sum of its proper divisors (13834303).
57472961 is a wasteful number, since it uses less digits than its factorization.
57472961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5120.
The product of its digits is 105840, while the sum is 41.
The square root of 57472961 is about 7581.0923355411. The cubic root of 57472961 is about 385.9116216898.
The spelling of 57472961 in words is "fifty-seven million, four hundred seventy-two thousand, nine hundred sixty-one".
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