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57930569 is a prime number
BaseRepresentation
bin1101110011111…
…1001101001001
311001000011210122
43130333031021
5104312234234
65425353025
71302254534
oct334771511
9131004718
1057930569
112a778104
1217498775
13c004058
14799da1b
15514492e
hex373f349

57930569 has 2 divisors, whose sum is σ = 57930570. Its totient is φ = 57930568.

The previous prime is 57930559. The next prime is 57930617. The reversal of 57930569 is 96503975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 170569 = 7600^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 57930569 - 24 = 57930553 is a prime.

It is a super-2 number, since 2×579305692 = 6711901649327522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57930539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28965284 + 28965285.

It is an arithmetic number, because the mean of its divisors is an integer number (28965285).

Almost surely, 257930569 is an apocalyptic number.

It is an amenable number.

57930569 is a deficient number, since it is larger than the sum of its proper divisors (1).

57930569 is an equidigital number, since it uses as much as digits as its factorization.

57930569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 57930569 is about 7611.2133723868. The cubic root of 57930569 is about 386.9331432870.

The spelling of 57930569 in words is "fifty-seven million, nine hundred thirty thousand, five hundred sixty-nine".