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13855684 = 225365357
BaseRepresentation
bin110100110110…
…101111000100
3222001221102111
4310312233010
512021340214
61212550404
7225525403
oct64665704
928057374
1013855684
117903a87
124782404
132b4183b
141ba963a
15133a5c4
hexd36bc4

13855684 has 12 divisors (see below), whose sum is σ = 24705324. Its totient is φ = 6797024.

The previous prime is 13855679. The next prime is 13855703. The reversal of 13855684 is 48655831.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 2022084 = 3440^2 + 1422^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32467 + ... + 32890.

It is an arithmetic number, because the mean of its divisors is an integer number (2058777).

Almost surely, 213855684 is an apocalyptic number.

It is an amenable number.

13855684 is a deficient number, since it is larger than the sum of its proper divisors (10849640).

13855684 is a wasteful number, since it uses less digits than its factorization.

13855684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65414 (or 65412 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 13855684 is about 3722.3223933453. The cubic root of 13855684 is about 240.1832165779.

The spelling of 13855684 in words is "thirteen million, eight hundred fifty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 53 106 212 65357 130714 261428 3463921 6927842 13855684