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57298004 = 2227751713
BaseRepresentation
bin1101101010010…
…0110001010100
310222211001002022
43122210301110
5104132014004
65404032312
71264011401
oct332446124
9128731068
1057298004
112a385925
1217232698
13bb4215a
1478772a8
15506c2be
hex36a4c54

57298004 has 12 divisors (see below), whose sum is σ = 100635444. Its totient is φ = 28545024.

The previous prime is 57298001. The next prime is 57298009. The reversal of 57298004 is 40089275.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23541904 + 33756100 = 4852^2 + 5810^2 .

It is a super-2 number, since 2×572980042 = 6566122524768032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57298001) 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, 24749 + ... + 26964.

It is an arithmetic number, because the mean of its divisors is an integer number (8386287).

Almost surely, 257298004 is an apocalyptic number.

It is an amenable number.

57298004 is a deficient number, since it is larger than the sum of its proper divisors (43337440).

57298004 is a wasteful number, since it uses less digits than its factorization.

57298004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51994 (or 51992 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 57298004 is about 7569.5445041297. The cubic root of 57298004 is about 385.5196311701.

The spelling of 57298004 in words is "fifty-seven million, two hundred ninety-eight thousand, four".

Divisors: 1 2 4 277 554 1108 51713 103426 206852 14324501 28649002 57298004