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52936870 = 257432409
BaseRepresentation
bin1100100111110…
…0000010100110
310200121110201211
43021330002212
5102022434440
65130342034
71211645620
oct311740246
9120543654
1052936870
1127977288
121588a91a
13ac760bc
14705dc10
1549a9eea
hex327c0a6

52936870 has 48 divisors (see below), whose sum is σ = 111762720. Its totient is φ = 17684352.

The previous prime is 52936853. The next prime is 52936883. The reversal of 52936870 is 7863925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129226 + ... + 129634.

It is an arithmetic number, because the mean of its divisors is an integer number (2328390).

Almost surely, 252936870 is an apocalyptic number.

52936870 is an abundant number, since it is smaller than the sum of its proper divisors (58825850).

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

52936870 is a wasteful number, since it uses less digits than its factorization.

52936870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 52936870 is about 7275.7728111865. The cubic root of 52936870 is about 375.4793750858.

The spelling of 52936870 in words is "fifty-two million, nine hundred thirty-six thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 409 430 602 818 1505 1849 2045 2863 3010 3698 4090 5726 9245 12943 14315 17587 18490 25886 28630 35174 64715 87935 123109 129430 175870 246218 615545 756241 1231090 1512482 3781205 5293687 7562410 10587374 26468435 52936870