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13625868 = 2232394751
BaseRepresentation
bin110011111110…
…101000001100
3221122021011210
4303332220030
511442011433
61204014420
7223550364
oct63765014
927567153
1013625868
117767353
124691410
132a91059
141b499a4
1512e2463
hexcfea0c

13625868 has 24 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 4522000.

The previous prime is 13625851. The next prime is 13625893. The reversal of 13625868 is 86852631.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 493 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 213625868 is an apocalyptic number.

It is an amenable number.

13625868 is an abundant number, since it is smaller than the sum of its proper divisors (18307572).

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

13625868 is a wasteful number, since it uses less digits than its factorization.

13625868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997 (or 4995 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 13625868 is about 3691.3233399419. The cubic root of 13625868 is about 238.8478808843.

The spelling of 13625868 in words is "thirteen million, six hundred twenty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 4751 9502 14253 19004 28506 57012 1135489 2270978 3406467 4541956 6812934 13625868