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13086198 = 23480779
BaseRepresentation
bin110001111010…
…110111110110
3220121211220000
4301322313312
511322224243
61144252130
7216142116
oct61726766
926554800
1013086198
117428944
124471046
132932518
141a49046
1512375d3
hexc7adf6

13086198 has 20 divisors (see below), whose sum is σ = 29323140. Its totient is φ = 4362012.

The previous prime is 13086187. The next prime is 13086211. The reversal of 13086198 is 89168031.

13086198 is a `hidden beast` number, since 1 + 30 + 8 + 619 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40228 + ... + 40551.

It is an arithmetic number, because the mean of its divisors is an integer number (1466157).

Almost surely, 213086198 is an apocalyptic number.

13086198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13086198 is an abundant number, since it is smaller than the sum of its proper divisors (16236942).

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

13086198 is an equidigital number, since it uses as much as digits as its factorization.

13086198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80793 (or 80784 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 13086198 is about 3617.4850379787. The cubic root of 13086198 is about 235.6520175546.

The spelling of 13086198 in words is "thirteen million, eighty-six thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 80779 161558 242337 484674 727011 1454022 2181033 4362066 6543099 13086198