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52015002 = 23131739227
BaseRepresentation
bin1100011001101…
…0111110011010
310121212122011120
43012122332122
5101303440002
65054510110
71201056144
oct306327632
9117778146
1052015002
11273a7706
1215505336
13aa12610
146c9dc94
154876cbc
hex319af9a

52015002 has 32 divisors (see below), whose sum is σ = 118625472. Its totient is φ = 15062784.

The previous prime is 52014997. The next prime is 52015003. The reversal of 52015002 is 20051025.

It is not an unprimeable number, because it can be changed into a prime (52015003) 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, 18288 + ... + 20939.

It is an arithmetic number, because the mean of its divisors is an integer number (3707046).

Almost surely, 252015002 is an apocalyptic number.

52015002 is an abundant number, since it is smaller than the sum of its proper divisors (66610470).

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

52015002 is a wasteful number, since it uses less digits than its factorization.

52015002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39262.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 52015002 is about 7212.1426774572. The cubic root of 52015002 is about 373.2870065461.

Adding to 52015002 its reverse (20051025), we get a palindrome (72066027).

The spelling of 52015002 in words is "fifty-two million, fifteen thousand, two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 221 442 663 1326 39227 78454 117681 235362 509951 666859 1019902 1333718 1529853 2000577 3059706 4001154 8669167 17338334 26007501 52015002