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13856528 = 247123719
BaseRepresentation
bin110100110110…
…111100010000
3222001222120202
4310312330100
512021402103
61212554332
7225531020
oct64667420
928058522
1013856528
117904684
1247829a8
132b4203a
141ba9a80
15133a988
hexd36f10

13856528 has 20 divisors (see below), whose sum is σ = 30682560. Its totient is φ = 5938464.

The previous prime is 13856527. The next prime is 13856539. The reversal of 13856528 is 82565831.

13856528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13856491 and 13856500.

It is not an unprimeable number, because it can be changed into a prime (13856527) 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, 61748 + ... + 61971.

It is an arithmetic number, because the mean of its divisors is an integer number (1534128).

Almost surely, 213856528 is an apocalyptic number.

It is an amenable number.

13856528 is an abundant number, since it is smaller than the sum of its proper divisors (16826032).

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

13856528 is a wasteful number, since it uses less digits than its factorization.

13856528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123734 (or 123728 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 13856528 is about 3722.4357617023. The cubic root of 13856528 is about 240.1880932894.

The spelling of 13856528 in words is "thirteen million, eight hundred fifty-six thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 56 112 123719 247438 494876 866033 989752 1732066 1979504 3464132 6928264 13856528