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52987368 = 23371718553
BaseRepresentation
bin1100101000100…
…0010111101000
310200201001000010
43022020113220
5102031043433
65131411520
71212246060
oct312102750
9120631003
1052987368
1127a01215
12158b3ba0
13ac93095
1470743a0
1549b9e63
hex32885e8

52987368 has 64 divisors (see below), whose sum is σ = 160306560. Its totient is φ = 14247936.

The previous prime is 52987301. The next prime is 52987381. The reversal of 52987368 is 86378925.

It is a super-2 number, since 2×529873682 = 5615322335134848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6421 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (2504790).

Almost surely, 252987368 is an apocalyptic number.

It is an amenable number.

52987368 is an abundant number, since it is smaller than the sum of its proper divisors (107319192).

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

52987368 is a wasteful number, since it uses less digits than its factorization.

52987368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586 (or 18582 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 52987368 is about 7279.2422682584. The cubic root of 52987368 is about 375.5987306599.

The spelling of 52987368 in words is "fifty-two million, nine hundred eighty-seven thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 18553 37106 55659 74212 111318 129871 148424 222636 259742 315401 389613 445272 519484 630802 779226 946203 1038968 1261604 1558452 1892406 2207807 2523208 3116904 3784812 4415614 6623421 7569624 8831228 13246842 17662456 26493684 52987368