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57813136 = 243613321
BaseRepresentation
bin1101110010001…
…0100010010000
311000210012201021
43130202202100
5104300010021
65423045224
71301255263
oct334424220
9130705637
1057813136
112a6a7957
1217440814
13bc92774
14796ccda
15511ec41
hex3722890

57813136 has 10 divisors (see below), whose sum is σ = 112012982. Its totient is φ = 28906560.

The previous prime is 57813131. The next prime is 57813137. The reversal of 57813136 is 63131875.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 5973136 = 7200^2 + 2444^2 .

It is not an unprimeable number, because it can be changed into a prime (57813131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806645 + ... + 1806676.

Almost surely, 257813136 is an apocalyptic number.

It is an amenable number.

57813136 is a deficient number, since it is larger than the sum of its proper divisors (54199846).

57813136 is a wasteful number, since it uses less digits than its factorization.

57813136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613329 (or 3613323 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 57813136 is about 7603.4949858601. The cubic root of 57813136 is about 386.6715113675.

The spelling of 57813136 in words is "fifty-seven million, eight hundred thirteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 3613321 7226642 14453284 28906568 57813136