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13904232 = 2331753643
BaseRepresentation
bin110101000010…
…100101101000
3222011102000120
4311002211220
512024413412
61214003240
7226120056
oct65024550
928142016
1013904232
117937501
1247a6520
132b5a974
141bbd1d6
151349b8c
hexd42968

13904232 has 64 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 4273152.

The previous prime is 13904201. The next prime is 13904263. The reversal of 13904232 is 23240931.

It is an interprime number because it is at equal distance from previous prime (13904201) and next prime (13904263).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21303 + ... + 21945.

It is an arithmetic number, because the mean of its divisors is an integer number (586845).

Almost surely, 213904232 is an apocalyptic number.

13904232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13904232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18779040).

13904232 is an abundant number, since it is smaller than the sum of its proper divisors (23653848).

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

13904232 is a wasteful number, since it uses less digits than its factorization.

13904232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13904232 is about 3728.8378886726. The cubic root of 13904232 is about 240.4634101921.

The spelling of 13904232 in words is "thirteen million, nine hundred four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 53 68 102 106 136 159 204 212 318 408 424 636 643 901 1272 1286 1802 1929 2572 2703 3604 3858 5144 5406 7208 7716 10812 10931 15432 21624 21862 32793 34079 43724 65586 68158 87448 102237 131172 136316 204474 262344 272632 408948 579343 817896 1158686 1738029 2317372 3476058 4634744 6952116 13904232