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57388704 = 2532632273
BaseRepresentation
bin1101101011101…
…0111010100000
310222222122111120
43122322322200
5104142414304
65410012240
71264540002
oct332727240
9128878446
1057388704
112a437a8a
1217277080
13bb74519
14789c372
1550890d9
hex36baea0

57388704 has 48 divisors (see below), whose sum is σ = 151284672. Its totient is φ = 19048448.

The previous prime is 57388699. The next prime is 57388711. The reversal of 57388704 is 40788375.

It is a tau number, because it is divible by the number of its divisors (48).

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, 24112 + ... + 26384.

It is an arithmetic number, because the mean of its divisors is an integer number (3151764).

Almost surely, 257388704 is an apocalyptic number.

It is an amenable number.

57388704 is an abundant number, since it is smaller than the sum of its proper divisors (93895968).

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

57388704 is a wasteful number, since it uses less digits than its factorization.

57388704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 57388704 is about 7575.5332485575. The cubic root of 57388704 is about 385.7229436426.

The spelling of 57388704 in words is "fifty-seven million, three hundred eighty-eight thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 263 526 789 1052 1578 2104 2273 3156 4208 4546 6312 6819 8416 9092 12624 13638 18184 25248 27276 36368 54552 72736 109104 218208 597799 1195598 1793397 2391196 3586794 4782392 7173588 9564784 14347176 19129568 28694352 57388704