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57057412 = 2214264353
BaseRepresentation
bin1101100110101…
…0000010000100
310222100211001111
43121222002010
5104101314122
65354534404
71261660066
oct331520204
9128324044
1057057412
112a231095
1217137404
13ba897a9
147813736
155020d77
hex366a084

57057412 has 6 divisors (see below), whose sum is σ = 99850478. Its totient is φ = 28528704.

The previous prime is 57057383. The next prime is 57057419. The reversal of 57057412 is 21475075.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 5447556 = 7184^2 + 2334^2 .

It is not an unprimeable number, because it can be changed into a prime (57057419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7132173 + ... + 7132180.

Almost surely, 257057412 is an apocalyptic number.

It is an amenable number.

57057412 is a deficient number, since it is larger than the sum of its proper divisors (42793066).

57057412 is a wasteful number, since it uses less digits than its factorization.

57057412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264357 (or 14264355 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 57057412 is about 7553.6356809155. The cubic root of 57057412 is about 384.9792803827.

The spelling of 57057412 in words is "fifty-seven million, fifty-seven thousand, four hundred twelve".

Divisors: 1 2 4 14264353 28528706 57057412