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57140932 = 2292915377
BaseRepresentation
bin1101100111111…
…0011011000100
310222112001121211
43121332123010
5104112002212
65400421204
71262455432
oct331763304
9128461554
1057140932
112a288912
1217177804
13bab8804
147835d52
15503a9a7
hex367e6c4

57140932 has 12 divisors (see below), whose sum is σ = 100110780. Its totient is φ = 28537856.

The previous prime is 57140929. The next prime is 57140939. The reversal of 57140932 is 23904175.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 25060036 = 5664^2 + 5006^2 .

It is a super-2 number, since 2×571409322 = 6530172219657248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57140894 and 57140903.

It is not an unprimeable number, because it can be changed into a prime (57140939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (8342565).

Almost surely, 257140932 is an apocalyptic number.

It is an amenable number.

57140932 is a deficient number, since it is larger than the sum of its proper divisors (42969848).

57140932 is a wasteful number, since it uses less digits than its factorization.

57140932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16310 (or 16308 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57140932 is about 7559.1621228811. The cubic root of 57140932 is about 385.1670315879.

The spelling of 57140932 in words is "fifty-seven million, one hundred forty thousand, nine hundred thirty-two".

Divisors: 1 2 4 929 1858 3716 15377 30754 61508 14285233 28570466 57140932