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57076131 = 372388273
BaseRepresentation
bin1101100110111…
…0100110100011
310222101202201210
43121232212203
5104102414011
65355201203
71262065500
oct331564643
9128352653
1057076131
112a244162
1217146203
13ba95178
14781a4a7
1550266a6
hex366e9a3

57076131 has 12 divisors (see below), whose sum is σ = 88526472. Its totient is φ = 32614848.

The previous prime is 57076099. The next prime is 57076139. The reversal of 57076131 is 13167075.

It is not a de Polignac number, because 57076131 - 25 = 57076099 is a prime.

It is a super-2 number, since 2×570761312 = 6515369459858322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57076139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193990 + ... + 194283.

It is an arithmetic number, because the mean of its divisors is an integer number (7377206).

Almost surely, 257076131 is an apocalyptic number.

57076131 is a deficient number, since it is larger than the sum of its proper divisors (31450341).

57076131 is a wasteful number, since it uses less digits than its factorization.

57076131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388290 (or 388283 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 57076131 is about 7554.8746515081. The cubic root of 57076131 is about 385.0213762236.

The spelling of 57076131 in words is "fifty-seven million, seventy-six thousand, one hundred thirty-one".

Divisors: 1 3 7 21 49 147 388273 1164819 2717911 8153733 19025377 57076131