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13904625 = 35375297
BaseRepresentation
bin110101000010…
…101011110001
3222011102120010
4311002223301
512024422000
61214005133
7226121160
oct65025361
928142503
1013904625
117937829
1247a67a9
132b5abb7
141bbd3d7
151349d50
hexd42af1

13904625 has 32 divisors (see below), whose sum is σ = 26447616. Its totient is φ = 6355200.

The previous prime is 13904591. The next prime is 13904641. The reversal of 13904625 is 52640931.

13904625 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13904625 - 213 = 13896433 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13904592 and 13904601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (826488).

Almost surely, 213904625 is an apocalyptic number.

13904625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13904625 is a deficient number, since it is larger than the sum of its proper divisors (12542991).

13904625 is an equidigital number, since it uses as much as digits as its factorization.

13904625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5312 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13904625 is about 3728.8905856836. The cubic root of 13904625 is about 240.4656757189.

The spelling of 13904625 in words is "thirteen million, nine hundred four thousand, six hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 125 175 375 525 875 2625 5297 15891 26485 37079 79455 111237 132425 185395 397275 556185 662125 926975 1986375 2780925 4634875 13904625