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13825868 = 2273471423
BaseRepresentation
bin110100101111…
…011101001100
3222000102112012
4310233131030
512014411433
61212200352
7225342440
oct64573514
928012465
1013825868
117893641
1247690b8
132b310b4
141b9c820
151331848
hexd2f74c

13825868 has 24 divisors (see below), whose sum is σ = 27750912. Its totient is φ = 5904144.

The previous prime is 13825853. The next prime is 13825873. The reversal of 13825868 is 86852831.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9005 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (1156288).

Almost surely, 213825868 is an apocalyptic number.

It is an amenable number.

13825868 is an abundant number, since it is smaller than the sum of its proper divisors (13925044).

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

13825868 is a wasteful number, since it uses less digits than its factorization.

13825868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1779 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 13825868 is about 3718.3152098766. The cubic root of 13825868 is about 240.0108096983.

The spelling of 13825868 in words is "thirteen million, eight hundred twenty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 347 694 1388 1423 2429 2846 4858 5692 9716 9961 19922 39844 493781 987562 1975124 3456467 6912934 13825868