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57714728 = 23172318451
BaseRepresentation
bin1101110000101…
…0100000101000
311000121012201112
43130022200220
5104233332403
65421005452
71300365341
oct334124050
9130535645
1057714728
112a63aa25
12173b3888
13bc59a36
1479450c8
1551009d8
hex370a828

57714728 has 32 divisors (see below), whose sum is σ = 119568960. Its totient is φ = 25977600.

The previous prime is 57714719. The next prime is 57714773. The reversal of 57714728 is 82741775.

It is a super-2 number, since 2×577147282 = 6661979656227968, which contains 22 as substring.

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, 6098 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (3736530).

Almost surely, 257714728 is an apocalyptic number.

It is an amenable number.

57714728 is an abundant number, since it is smaller than the sum of its proper divisors (61854232).

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

57714728 is a wasteful number, since it uses less digits than its factorization.

57714728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18497 (or 18493 counting only the distinct ones).

The product of its digits is 109760, while the sum is 41.

The square root of 57714728 is about 7597.0209951006. The cubic root of 57714728 is about 386.4519927408.

The spelling of 57714728 in words is "fifty-seven million, seven hundred fourteen thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 17 23 34 46 68 92 136 184 391 782 1564 3128 18451 36902 73804 147608 313667 424373 627334 848746 1254668 1697492 2509336 3394984 7214341 14428682 28857364 57714728