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13939056 = 243296799
BaseRepresentation
bin110101001011…
…000101110000
3222020011210100
4311023011300
512032022211
61214432400
7226323435
oct65130560
928204710
1013939056
11796068a
124802700
132b70781
141bcbb8c
151355156
hexd4b170

13939056 has 30 divisors (see below), whose sum is σ = 39010400. Its totient is φ = 4646304.

The previous prime is 13938983. The next prime is 13939069. The reversal of 13939056 is 65093931.

It is a super-2 number, since 2×139390562 = 388594564342272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13939056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48256 + ... + 48543.

Almost surely, 213939056 is an apocalyptic number.

13939056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13939056 is an abundant number, since it is smaller than the sum of its proper divisors (25071344).

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

13939056 is a wasteful number, since it uses less digits than its factorization.

13939056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96813 (or 96804 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 13939056 is about 3733.5045198848. The cubic root of 13939056 is about 240.6639946024.

The spelling of 13939056 in words is "thirteen million, nine hundred thirty-nine thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 96799 193598 290397 387196 580794 774392 871191 1161588 1548784 1742382 2323176 3484764 4646352 6969528 13939056