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13957712 = 244121277
BaseRepresentation
bin110101001111…
…101001010000
3222021010101022
4311033221100
512033121322
61215055012
7226432016
oct65175120
928233338
1013957712
1179736aa
124811468
132b79102
141bd48b6
15135a942
hexd4fa50

13957712 has 20 divisors (see below), whose sum is σ = 27703956. Its totient is φ = 6808320.

The previous prime is 13957703. The next prime is 13957721. The reversal of 13957712 is 21775931.

It is a happy number.

13957712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13957703) and next prime (13957721).

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 13278736 = 824^2 + 3644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9983 + ... + 11294.

Almost surely, 213957712 is an apocalyptic number.

It is an amenable number.

13957712 is a deficient number, since it is larger than the sum of its proper divisors (13746244).

13957712 is a wasteful number, since it uses less digits than its factorization.

13957712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326 (or 21320 counting only the distinct ones).

The product of its digits is 13230, while the sum is 35.

The square root of 13957712 is about 3736.0021413270. The cubic root of 13957712 is about 240.7713147804.

The spelling of 13957712 in words is "thirteen million, nine hundred fifty-seven thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 41 82 164 328 656 21277 42554 85108 170216 340432 872357 1744714 3489428 6978856 13957712