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52165060 = 2252608253
BaseRepresentation
bin1100011011111…
…1100111000100
310122011021000021
43012333213010
5101323240220
65102024524
71202252503
oct306774704
9118137007
1052165060
112749a422
1215578144
13aa659cc
146cdc83a
1548a64aa
hex31bf9c4

52165060 has 12 divisors (see below), whose sum is σ = 109546668. Its totient is φ = 20866016.

The previous prime is 52165039. The next prime is 52165067. The reversal of 52165060 is 6056125.

It can be written as a sum of positive squares in 2 ways, for example, as 17023876 + 35141184 = 4126^2 + 5928^2 .

It is not an unprimeable number, because it can be changed into a prime (52165067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1304107 + ... + 1304146.

It is an arithmetic number, because the mean of its divisors is an integer number (9128889).

Almost surely, 252165060 is an apocalyptic number.

It is an amenable number.

52165060 is an abundant number, since it is smaller than the sum of its proper divisors (57381608).

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

52165060 is a wasteful number, since it uses less digits than its factorization.

52165060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608262 (or 2608260 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 52165060 is about 7222.5383349623. The cubic root of 52165060 is about 373.6456269445.

The spelling of 52165060 in words is "fifty-two million, one hundred sixty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 2608253 5216506 10433012 13041265 26082530 52165060