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57052774 = 235178111
BaseRepresentation
bin1101100110100…
…0111001100110
310222100120200201
43121220321212
5104101142044
65354501114
71261640422
oct331507146
9128316621
1057052774
112a228659
121713479a
13ba8764c
147811b82
15501e7d4
hex3668e66

57052774 has 8 divisors (see below), whose sum is σ = 85614048. Its totient is φ = 28514760.

The previous prime is 57052769. The next prime is 57052813. The reversal of 57052774 is 47725075.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (10701756).

Almost surely, 257052774 is an apocalyptic number.

57052774 is a deficient number, since it is larger than the sum of its proper divisors (28561274).

57052774 is a wasteful number, since it uses less digits than its factorization.

57052774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11630.

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 57052774 is about 7553.3286701957. The cubic root of 57052774 is about 384.9688488879.

The spelling of 57052774 in words is "fifty-seven million, fifty-two thousand, seven hundred seventy-four".

Divisors: 1 2 3517 7034 8111 16222 28526387 57052774