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57080252 = 2214270063
BaseRepresentation
bin1101100110111…
…1100110111100
310222101222101102
43121233212330
5104103032002
65355232232
71262113505
oct331574674
9128358342
1057080252
112a247269
1217148678
13ba96cc8
14781bbac
155027a02
hex366f9bc

57080252 has 6 divisors (see below), whose sum is σ = 99890448. Its totient is φ = 28540124.

The previous prime is 57080249. The next prime is 57080291. The reversal of 57080252 is 25208075.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7135028 + ... + 7135035.

It is an arithmetic number, because the mean of its divisors is an integer number (16648408).

Almost surely, 257080252 is an apocalyptic number.

It is an amenable number.

57080252 is a deficient number, since it is larger than the sum of its proper divisors (42810196).

57080252 is a wasteful number, since it uses less digits than its factorization.

57080252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270067 (or 14270065 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 57080252 is about 7555.1473843996. The cubic root of 57080252 is about 385.0306424141.

The spelling of 57080252 in words is "fifty-seven million, eighty thousand, two hundred fifty-two".

Divisors: 1 2 4 14270063 28540126 57080252