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57270344 = 2310965677
BaseRepresentation
bin1101101001111…
…0000001001000
310222202122010212
43122132001020
5104130122334
65403300252
71263534635
oct332360110
9128678125
1057270344
112a36706a
121721a688
13bb326a1
14786b18c
155063ece
hex369e048

57270344 has 16 divisors (see below), whose sum is σ = 108368700. Its totient is φ = 28372032.

The previous prime is 57270337. The next prime is 57270347. The reversal of 57270344 is 44307275.

It can be written as a sum of positive squares in 2 ways, for example, as 56821444 + 448900 = 7538^2 + 670^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57270344.

It is not an unprimeable number, because it can be changed into a prime (57270347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31967 + ... + 33710.

Almost surely, 257270344 is an apocalyptic number.

It is an amenable number.

57270344 is a deficient number, since it is larger than the sum of its proper divisors (51098356).

57270344 is a wasteful number, since it uses less digits than its factorization.

57270344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65792 (or 65788 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 57270344 is about 7567.7172251611. The cubic root of 57270344 is about 385.4575860225.

The spelling of 57270344 in words is "fifty-seven million, two hundred seventy thousand, three hundred forty-four".

Divisors: 1 2 4 8 109 218 436 872 65677 131354 262708 525416 7158793 14317586 28635172 57270344