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13922472 = 2333118713
BaseRepresentation
bin110101000111…
…000010101000
3222012100001010
4311013002220
512031004342
61214223520
7226224204
oct65070250
928170033
1013922472
11794a183
1247b4ba0
132b66065
141bc5b04
15135029c
hexd470a8

13922472 has 32 divisors (see below), whose sum is σ = 35930880. Its totient is φ = 4490880.

The previous prime is 13922453. The next prime is 13922477. The reversal of 13922472 is 27422931.

It is not an unprimeable number, because it can be changed into a prime (13922477) 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, 8613 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (1122840).

Almost surely, 213922472 is an apocalyptic number.

13922472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13922472 is an abundant number, since it is smaller than the sum of its proper divisors (22008408).

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

13922472 is a wasteful number, since it uses less digits than its factorization.

13922472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753 (or 18749 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 13922472 is about 3731.2828893023. The cubic root of 13922472 is about 240.5685133501.

The spelling of 13922472 in words is "thirteen million, nine hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 18713 37426 56139 74852 112278 149704 224556 449112 580103 1160206 1740309 2320412 3480618 4640824 6961236 13922472