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57933131 is a prime number
BaseRepresentation
bin1101110011111…
…1110101001011
311001000022022112
43130333311023
5104312330011
65425412535
71302265154
oct334776513
9131008275
1057933131
112a77a023
121749a14b
13c005279
1479a092b
15514558b
hex373fd4b

57933131 has 2 divisors, whose sum is σ = 57933132. Its totient is φ = 57933130.

The previous prime is 57933121. The next prime is 57933143. The reversal of 57933131 is 13133975.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57933131 is a prime.

It is a super-2 number, since 2×579331312 = 6712495334926322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57933101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28966565 + 28966566.

It is an arithmetic number, because the mean of its divisors is an integer number (28966566).

Almost surely, 257933131 is an apocalyptic number.

57933131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57933131 is an equidigital number, since it uses as much as digits as its factorization.

57933131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8505, while the sum is 32.

The square root of 57933131 is about 7611.3816748341. The cubic root of 57933131 is about 386.9388472881.

The spelling of 57933131 in words is "fifty-seven million, nine hundred thirty-three thousand, one hundred thirty-one".