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13427472 = 243793541
BaseRepresentation
bin110011001110…
…001100010000
3221021012000210
4303032030100
511414134342
61155444120
7222063102
oct63161420
927235023
1013427472
117641293
1245b6640
132a21966
141ad7572
1512a379c
hexcce310

13427472 has 40 divisors (see below), whose sum is σ = 35136640. Its totient is φ = 4417920.

The previous prime is 13427461. The next prime is 13427473. The reversal of 13427472 is 27472431.

It is not an unprimeable number, because it can be changed into a prime (13427473) 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, 2022 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (878416).

Almost surely, 213427472 is an apocalyptic number.

13427472 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 13427472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17568320).

13427472 is an abundant number, since it is smaller than the sum of its proper divisors (21709168).

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

13427472 is a wasteful number, since it uses less digits than its factorization.

13427472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631 (or 3625 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 13427472 is about 3664.3515115229. The cubic root of 13427472 is about 237.6829806862.

The spelling of 13427472 in words is "thirteen million, four hundred twenty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 79 158 237 316 474 632 948 1264 1896 3541 3792 7082 10623 14164 21246 28328 42492 56656 84984 169968 279739 559478 839217 1118956 1678434 2237912 3356868 4475824 6713736 13427472