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57864768 = 2631397239
BaseRepresentation
bin1101110010111…
…1001001000000
311000212211112120
43130233021000
5104303133033
65424124240
71301561643
oct334571100
9130784476
1057864768
112a732725
1217466680
13bcb0110
147983a5a
1551301b3
hex372f240

57864768 has 112 divisors (see below), whose sum is σ = 167274240. Its totient is φ = 17547264.

The previous prime is 57864761. The next prime is 57864839. The reversal of 57864768 is 86746875.

It is a self number, because there is not a number n which added to its sum of digits gives 57864768.

It is not an unprimeable number, because it can be changed into a prime (57864761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241993 + ... + 242231.

It is an arithmetic number, because the mean of its divisors is an integer number (1493520).

Almost surely, 257864768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57864768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83637120).

57864768 is an abundant number, since it is smaller than the sum of its proper divisors (109409472).

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

57864768 is a wasteful number, since it uses less digits than its factorization.

57864768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 354 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 57864768 is about 7606.8895088597. The cubic root of 57864768 is about 386.7865871930.

The spelling of 57864768 in words is "fifty-seven million, eight hundred sixty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 97 104 156 192 194 208 239 291 312 388 416 478 582 624 717 776 832 956 1164 1248 1261 1434 1552 1912 2328 2496 2522 2868 3104 3107 3783 3824 4656 5044 5736 6208 6214 7566 7648 9312 9321 10088 11472 12428 15132 15296 18624 18642 20176 22944 23183 24856 30264 37284 40352 45888 46366 49712 60528 69549 74568 80704 92732 99424 121056 139098 149136 185464 198848 242112 278196 298272 301379 370928 556392 596544 602758 741856 904137 1112784 1205516 1483712 1808274 2225568 2411032 3616548 4451136 4822064 7233096 9644128 14466192 19288256 28932384 57864768