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57460831 = 232579721
BaseRepresentation
bin1101101100110…
…0100001011111
311000010022102221
43123030201133
5104202221311
65411330211
71265260201
oct333144137
9130108387
1057460831
112a48719a
12172b0967
13bb9b2bc
1478ba771
1550a0671
hex36cc85f

57460831 has 8 divisors (see below), whose sum is σ = 60198624. Its totient is φ = 54743040.

The previous prime is 57460811. The next prime is 57460903. The reversal of 57460831 is 13806475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57460831 - 27 = 57460703 is a prime.

It is a super-2 number, since 2×574608312 = 6603494198421122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57460801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (7524828).

Almost surely, 257460831 is an apocalyptic number.

57460831 is a deficient number, since it is larger than the sum of its proper divisors (2737793).

57460831 is a wasteful number, since it uses less digits than its factorization.

57460831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 57460831 is about 7580.2922766870. The cubic root of 57460831 is about 385.8844701548.

The spelling of 57460831 in words is "fifty-seven million, four hundred sixty thousand, eight hundred thirty-one".

Divisors: 1 23 257 5911 9721 223583 2498297 57460831