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57152042 = 228576021
BaseRepresentation
bin1101101000000…
…1001000101010
310222112121212022
43122001020222
5104112331132
65400544442
71262533013
oct332011052
9128477768
1057152042
112a2961a2
1217182122
13bac089c
14783a00a
15503de12
hex368122a

57152042 has 4 divisors (see below), whose sum is σ = 85728066. Its totient is φ = 28576020.

The previous prime is 57152023. The next prime is 57152077. The reversal of 57152042 is 24025175.

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

It can be written as a sum of positive squares in only one way, i.e., 55636681 + 1515361 = 7459^2 + 1231^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14288009 + ... + 14288012.

Almost surely, 257152042 is an apocalyptic number.

57152042 is a deficient number, since it is larger than the sum of its proper divisors (28576024).

57152042 is a wasteful number, since it uses less digits than its factorization.

57152042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28576023.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57152042 is about 7559.8969569697. The cubic root of 57152042 is about 385.1919928446.

The spelling of 57152042 in words is "fifty-seven million, one hundred fifty-two thousand, forty-two".

Divisors: 1 2 28576021 57152042