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13805084 = 2210134171
BaseRepresentation
bin110100101010…
…011000011100
3221222101000102
4310222120130
512013230314
61211520232
7225225026
oct64523034
927871012
1013805084
117879a67
124759078
132b247b7
141b95016
15132a5de
hexd2a61c

13805084 has 12 divisors (see below), whose sum is σ = 24398808. Its totient is φ = 6834000.

The previous prime is 13805059. The next prime is 13805087. The reversal of 13805084 is 48050831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13805087) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16682 + ... + 17489.

It is an arithmetic number, because the mean of its divisors is an integer number (2033234).

Almost surely, 213805084 is an apocalyptic number.

It is an amenable number.

13805084 is a deficient number, since it is larger than the sum of its proper divisors (10593724).

13805084 is a wasteful number, since it uses less digits than its factorization.

13805084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34276 (or 34274 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13805084 is about 3715.5193445870. The cubic root of 13805084 is about 239.8904824396.

The spelling of 13805084 in words is "thirteen million, eight hundred five thousand, eighty-four".

Divisors: 1 2 4 101 202 404 34171 68342 136684 3451271 6902542 13805084