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53315872 = 254338747
BaseRepresentation
bin1100101101100…
…0100100100000
310201022201121221
43023120210200
5102122101442
65142424424
71215114601
oct313304440
9121281557
1053315872
1128106005
1215a32114
13b07976c
14711bda8
154a32467
hex32d8920

53315872 has 24 divisors (see below), whose sum is σ = 107409456. Its totient is φ = 26037312.

The previous prime is 53315851. The next prime is 53315887. The reversal of 53315872 is 27851335.

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, 17998 + ... + 20749.

It is an arithmetic number, because the mean of its divisors is an integer number (4475394).

Almost surely, 253315872 is an apocalyptic number.

It is an amenable number.

53315872 is an abundant number, since it is smaller than the sum of its proper divisors (54093584).

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

53315872 is a wasteful number, since it uses less digits than its factorization.

53315872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38800 (or 38792 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 53315872 is about 7301.7718397660. The cubic root of 53315872 is about 376.3733277090.

The spelling of 53315872 in words is "fifty-three million, three hundred fifteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 38747 77494 154988 309976 619952 1239904 1666121 3332242 6664484 13328968 26657936 53315872