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13456856 = 237415861
BaseRepresentation
bin110011010101…
…010111011000
3221022200100002
4303111113120
511421104411
61200232132
7222244550
oct63252730
927280302
1013456856
117661376
12460b648
132a3214a
141b04160
1512ac33b
hexcd55d8

13456856 has 32 divisors (see below), whose sum is σ = 29544480. Its totient is φ = 5625600.

The previous prime is 13456853. The next prime is 13456867. The reversal of 13456856 is 65865431.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (923265).

Almost surely, 213456856 is an apocalyptic number.

It is an amenable number.

13456856 is an abundant number, since it is smaller than the sum of its proper divisors (16087624).

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

13456856 is a wasteful number, since it uses less digits than its factorization.

13456856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915 (or 5911 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 13456856 is about 3668.3587610810. The cubic root of 13456856 is about 237.8562321703.

The spelling of 13456856 in words is "thirteen million, four hundred fifty-six thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 5861 11722 23444 41027 46888 82054 164108 240301 328216 480602 961204 1682107 1922408 3364214 6728428 13456856