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57052288 = 271923459
BaseRepresentation
bin1101100110100…
…0110010000000
310222100120000201
43121220302000
5104101133123
65354454544
71261636126
oct331506200
9128316021
1057052288
112a228257
1217134454
13ba87367
147811916
15501e5ad
hex3668c80

57052288 has 32 divisors (see below), whose sum is σ = 119646000. Its totient is φ = 27023616.

The previous prime is 57052267. The next prime is 57052301. The reversal of 57052288 is 88225075.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9298 + ... + 14161.

Almost surely, 257052288 is an apocalyptic number.

It is an amenable number.

57052288 is an abundant number, since it is smaller than the sum of its proper divisors (62593712).

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

57052288 is a wasteful number, since it uses less digits than its factorization.

57052288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23492 (or 23480 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 57052288 is about 7553.2964988805. The cubic root of 57052288 is about 384.9677557749.

The spelling of 57052288 in words is "fifty-seven million, fifty-two thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 19 32 38 64 76 128 152 304 608 1216 2432 23459 46918 93836 187672 375344 445721 750688 891442 1501376 1782884 3002752 3565768 7131536 14263072 28526144 57052288