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57980612 = 2237338861
BaseRepresentation
bin1101110100101…
…1011011000100
311001002201110002
43131023123010
5104320334422
65430420432
71302553454
oct335133304
9131081402
1057980612
112a801768
1217501718
13c020a71
1479b3d64
155154692
hex374b6c4

57980612 has 12 divisors (see below), whose sum is σ = 101740716. Its totient is φ = 28911840.

The previous prime is 57980597. The next prime is 57980617. The reversal of 57980612 is 21608975.

It can be written as a sum of positive squares in 2 ways, for example, as 42172036 + 15808576 = 6494^2 + 3976^2 .

It is not an unprimeable number, because it can be changed into a prime (57980617) 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, 17939 + ... + 20922.

It is an arithmetic number, because the mean of its divisors is an integer number (8478393).

Almost surely, 257980612 is an apocalyptic number.

It is an amenable number.

57980612 is a deficient number, since it is larger than the sum of its proper divisors (43760104).

57980612 is a wasteful number, since it uses less digits than its factorization.

57980612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39238 (or 39236 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 57980612 is about 7614.5001149123. The cubic root of 57980612 is about 387.0445279018.

The spelling of 57980612 in words is "fifty-seven million, nine hundred eighty thousand, six hundred twelve".

Divisors: 1 2 4 373 746 1492 38861 77722 155444 14495153 28990306 57980612