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13974680 = 2351720551
BaseRepresentation
bin110101010011…
…110010011000
3222021222122202
4311103302120
512034142210
61215305332
7226532336
oct65236230
928258582
1013974680
117985425
12481b248
132b83a55
141bdab56
1513609a5
hexd53c98

13974680 has 32 divisors (see below), whose sum is σ = 33294240. Its totient is φ = 5260800.

The previous prime is 13974679. The next prime is 13974703. The reversal of 13974680 is 8647931.

13974680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139746802 = 390583362204800, which contains 22 as substring.

It is a congruent number.

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, 9596 + ... + 10955.

It is an arithmetic number, because the mean of its divisors is an integer number (1040445).

Almost surely, 213974680 is an apocalyptic number.

13974680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13974680 is an abundant number, since it is smaller than the sum of its proper divisors (19319560).

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

13974680 is a wasteful number, since it uses less digits than its factorization.

13974680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20579 (or 20575 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13974680 is about 3738.2723282286. The cubic root of 13974680 is about 240.8688415881.

The spelling of 13974680 in words is "thirteen million, nine hundred seventy-four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 20551 41102 82204 102755 164408 205510 349367 411020 698734 822040 1397468 1746835 2794936 3493670 6987340 13974680