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57740933 is a prime number
BaseRepresentation
bin1101110001000…
…0111010000101
311000122112200002
43130100322011
5104240202213
65421331045
71300534625
oct334207205
9130575602
1057740933
112a658688
1217406a85
13bc68943
147950885
155108658
hex3710e85

57740933 has 2 divisors, whose sum is σ = 57740934. Its totient is φ = 57740932.

The previous prime is 57740923. The next prime is 57740987. The reversal of 57740933 is 33904775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 14273284 = 6593^2 + 3778^2 .

It is a cyclic number.

It is not a de Polignac number, because 57740933 - 26 = 57740869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57740923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28870466 + 28870467.

It is an arithmetic number, because the mean of its divisors is an integer number (28870467).

Almost surely, 257740933 is an apocalyptic number.

It is an amenable number.

57740933 is a deficient number, since it is larger than the sum of its proper divisors (1).

57740933 is an equidigital number, since it uses as much as digits as its factorization.

57740933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 57740933 is about 7598.7454885659. The cubic root of 57740933 is about 386.5104725692.

The spelling of 57740933 in words is "fifty-seven million, seven hundred forty thousand, nine hundred thirty-three".