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57045694 = 228522847
BaseRepresentation
bin1101100110011…
…1001010111110
310222100012222111
43121213022332
5104100430234
65354404234
71261610656
oct331471276
9128305874
1057045694
112a223302
121713067a
13ba84364
14780d366
15501c664
hex36672be

57045694 has 4 divisors (see below), whose sum is σ = 85568544. Its totient is φ = 28522846.

The previous prime is 57045679. The next prime is 57045701. The reversal of 57045694 is 49654075.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×570456942 = 6508422407883272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14261422 + ... + 14261425.

It is an arithmetic number, because the mean of its divisors is an integer number (21392136).

Almost surely, 257045694 is an apocalyptic number.

57045694 is a deficient number, since it is larger than the sum of its proper divisors (28522850).

57045694 is a wasteful number, since it uses less digits than its factorization.

57045694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28522849.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 57045694 is about 7552.8599881105. The cubic root of 57045694 is about 384.9529239117.

It can be divided in two parts, 570 and 45694, that added together give a palindrome (46264).

The spelling of 57045694 in words is "fifty-seven million, forty-five thousand, six hundred ninety-four".

Divisors: 1 2 28522847 57045694