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13805682 = 2311297213
BaseRepresentation
bin110100101010…
…100001110010
3221222101211120
4310222201302
512013240212
61211523110
7225226542
oct64524162
927871746
1013805682
11787a460
124759496
132b24b57
141b95322
15132a88c
hexd2a872

13805682 has 32 divisors (see below), whose sum is σ = 31164480. Its totient is φ = 4038720.

The previous prime is 13805677. The next prime is 13805731. The reversal of 13805682 is 28650831.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 1693 + ... + 5520.

It is an arithmetic number, because the mean of its divisors is an integer number (973890).

Almost surely, 213805682 is an apocalyptic number.

13805682 is an abundant number, since it is smaller than the sum of its proper divisors (17358798).

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

13805682 is a wasteful number, since it uses less digits than its factorization.

13805682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 13805682 is about 3715.5998169878. The cubic root of 13805682 is about 239.8939461983.

The spelling of 13805682 in words is "thirteen million, eight hundred five thousand, six hundred eighty-two".

Divisors: 1 2 3 6 11 22 29 33 58 66 87 174 319 638 957 1914 7213 14426 21639 43278 79343 158686 209177 238029 418354 476058 627531 1255062 2300947 4601894 6902841 13805682