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13683656 = 237244351
BaseRepresentation
bin110100001100…
…101111001000
3221202012110002
4310030233020
512000334111
61205142132
7224211020
oct64145710
927665402
1013683656
1177a6808
1246ba948
132ab144c
141b62a80
15130463b
hexd0cbc8

13683656 has 16 divisors (see below), whose sum is σ = 29322240. Its totient is φ = 5864400.

The previous prime is 13683613. The next prime is 13683727. The reversal of 13683656 is 65638631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122120 + ... + 122231.

It is an arithmetic number, because the mean of its divisors is an integer number (1832640).

Almost surely, 213683656 is an apocalyptic number.

It is an amenable number.

13683656 is an abundant number, since it is smaller than the sum of its proper divisors (15638584).

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

13683656 is a wasteful number, since it uses less digits than its factorization.

13683656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244364 (or 244360 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 13683656 is about 3699.1426033609. The cubic root of 13683656 is about 239.1850600095.

The spelling of 13683656 in words is "thirteen million, six hundred eighty-three thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 56 244351 488702 977404 1710457 1954808 3420914 6841828 13683656