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52457592 = 23311434621
BaseRepresentation
bin1100100000011…
…1000001111000
310122201010021210
43020013001320
5101412120332
65112203120
71204611405
oct310070170
9118633253
1052457592
112767a190
12156994a0
13ab38bc5
146d772ac
154912ecc
hex3207078

52457592 has 64 divisors (see below), whose sum is σ = 146424960. Its totient is φ = 15523200.

The previous prime is 52457567. The next prime is 52457599. The reversal of 52457592 is 29575425.

It is a self number, because there is not a number n which added to its sum of digits gives 52457592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52457599) 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, 9042 + ... + 13662.

It is an arithmetic number, because the mean of its divisors is an integer number (2287890).

Almost surely, 252457592 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 52457592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73212480).

52457592 is an abundant number, since it is smaller than the sum of its proper divisors (93967368).

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

52457592 is a wasteful number, since it uses less digits than its factorization.

52457592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684 (or 4680 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 52457592 is about 7242.7613518602. The cubic root of 52457592 is about 374.3427705827.

The spelling of 52457592 in words is "fifty-two million, four hundred fifty-seven thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 43 44 66 86 88 129 132 172 258 264 344 473 516 946 1032 1419 1892 2838 3784 4621 5676 9242 11352 13863 18484 27726 36968 50831 55452 101662 110904 152493 198703 203324 304986 397406 406648 596109 609972 794812 1192218 1219944 1589624 2185733 2384436 4371466 4768872 6557199 8742932 13114398 17485864 26228796 52457592