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57808074 = 2319748907
BaseRepresentation
bin1101110010000…
…1010011001010
311000202221202210
43130201103022
5104244324244
65423005550
71301234442
oct334412312
9130687683
1057808074
112a6a4075
12174398b6
13bc9037c
14796b122
15511d4b9
hex37214ca

57808074 has 16 divisors (see below), whose sum is σ = 116205408. Its totient is φ = 19171152.

The previous prime is 57808063. The next prime is 57808103. The reversal of 57808074 is 47080875.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23272 + ... + 25635.

It is an arithmetic number, because the mean of its divisors is an integer number (7262838).

Almost surely, 257808074 is an apocalyptic number.

57808074 is an abundant number, since it is smaller than the sum of its proper divisors (58397334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57808074 is a wasteful number, since it uses less digits than its factorization.

57808074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49109.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 57808074 is about 7603.1621053349. The cubic root of 57808074 is about 386.6602256491.

The spelling of 57808074 in words is "fifty-seven million, eight hundred eight thousand, seventy-four".

Divisors: 1 2 3 6 197 394 591 1182 48907 97814 146721 293442 9634679 19269358 28904037 57808074