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57494528 = 210713617
BaseRepresentation
bin1101101101010…
…0110000000000
311000012000122222
43123110300000
5104204311103
65412150212
71265460350
oct333246000
9130160588
1057494528
112a4aa543
1217308368
13bbb0740
1478c8b60
1550aa638
hex36d4c00

57494528 has 88 divisors (see below), whose sum is σ = 141685152. Its totient is φ = 22708224.

The previous prime is 57494477. The next prime is 57494539. The reversal of 57494528 is 82549475.

It is a happy number.

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, 92876 + ... + 93492.

Almost surely, 257494528 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 57494528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70842576).

57494528 is an abundant number, since it is smaller than the sum of its proper divisors (84190624).

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

57494528 is a wasteful number, since it uses less digits than its factorization.

57494528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 639 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 57494528 is about 7582.5146224719. The cubic root of 57494528 is about 385.9598873724.

The spelling of 57494528 in words is "fifty-seven million, four hundred ninety-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 256 364 416 448 512 617 728 832 896 1024 1234 1456 1664 1792 2468 2912 3328 3584 4319 4936 5824 6656 7168 8021 8638 9872 11648 13312 16042 17276 19744 23296 32084 34552 39488 46592 56147 64168 69104 78976 93184 112294 128336 138208 157952 224588 256672 276416 315904 449176 513344 552832 631808 898352 1026688 1105664 1796704 2053376 2211328 3593408 4106752 4422656 7186816 8213504 14373632 28747264 57494528