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15086052 = 2232419057
BaseRepresentation
bin111001100011…
…000111100100
31001101110011200
4321203013210
512330223202
61255202500
7242141442
oct71430744
931343150
1015086052
118574413
125076430
133182877
142009b92
1514cee1c
hexe631e4

15086052 has 18 divisors (see below), whose sum is σ = 38134278. Its totient is φ = 5028672.

The previous prime is 15086041. The next prime is 15086069. The reversal of 15086052 is 25068051.

15086052 is a `hidden beast` number, since 1 + 50 + 8 + 605 + 2 = 666.

15086052 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13660416 + 1425636 = 3696^2 + 1194^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209493 + ... + 209564.

It is an arithmetic number, because the mean of its divisors is an integer number (2118571).

Almost surely, 215086052 is an apocalyptic number.

15086052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15086052 is an abundant number, since it is smaller than the sum of its proper divisors (23048226).

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

15086052 is a wasteful number, since it uses less digits than its factorization.

15086052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419067 (or 419062 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 15086052 is about 3884.0767242679. The cubic root of 15086052 is about 247.0919139751.

The spelling of 15086052 in words is "fifteen million, eighty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 419057 838114 1257171 1676228 2514342 3771513 5028684 7543026 15086052