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13797256 = 2311831889
BaseRepresentation
bin110100101000…
…011110001000
3221221222021111
4310220132020
512013003011
61211420104
7225163144
oct64503610
927858244
1013797256
1178740a0
124754634
132b21075
141b92224
151328121
hexd28788

13797256 has 32 divisors (see below), whose sum is σ = 28576800. Its totient is φ = 6192640.

The previous prime is 13797253. The next prime is 13797293. The reversal of 13797256 is 65279731.

It is not an unprimeable number, because it can be changed into a prime (13797253) 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, 6360 + ... + 8248.

It is an arithmetic number, because the mean of its divisors is an integer number (893025).

Almost surely, 213797256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13797256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14288400).

13797256 is an abundant number, since it is smaller than the sum of its proper divisors (14779544).

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

13797256 is a wasteful number, since it uses less digits than its factorization.

13797256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1985 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 13797256 is about 3714.4657758553. The cubic root of 13797256 is about 239.8451315687.

It can be divided in two parts, 1379725 and 6, that added together give a palindrome (1379731).

The spelling of 13797256 in words is "thirteen million, seven hundred ninety-seven thousand, two hundred fifty-six".

Divisors: 1 2 4 8 11 22 44 83 88 166 332 664 913 1826 1889 3652 3778 7304 7556 15112 20779 41558 83116 156787 166232 313574 627148 1254296 1724657 3449314 6898628 13797256