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13925928 = 2334011447
BaseRepresentation
bin110101000111…
…111000101000
3222012111210010
4311013320220
512031112203
61214251520
7226240242
oct65077050
928174703
1013925928
117951835
1247b6ba0
132b677c3
141bc7092
151351303
hexd47e28

13925928 has 32 divisors (see below), whose sum is σ = 34925760. Its totient is φ = 4627200.

The previous prime is 13925927. The next prime is 13925939. The reversal of 13925928 is 82952931.

13925928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139259282 = 387862941322368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13925927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8901 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (1091430).

Almost surely, 213925928 is an apocalyptic number.

It is an amenable number.

13925928 is an abundant number, since it is smaller than the sum of its proper divisors (20999832).

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

13925928 is a wasteful number, since it uses less digits than its factorization.

13925928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1853 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 13925928 is about 3731.7459720619. The cubic root of 13925928 is about 240.5884172867.

The spelling of 13925928 in words is "thirteen million, nine hundred twenty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 401 802 1203 1447 1604 2406 2894 3208 4341 4812 5788 8682 9624 11576 17364 34728 580247 1160494 1740741 2320988 3481482 4641976 6962964 13925928