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13480836 = 2231123403
BaseRepresentation
bin110011011011…
…001110000100
3221100220020020
4303123032010
511422341321
61200535140
7222404505
oct63331604
927326206
1013480836
117678396
1246214b0
132a40035
141b0cbac
1512b44c6
hexcdb384

13480836 has 12 divisors (see below), whose sum is σ = 31455312. Its totient is φ = 4493608.

The previous prime is 13480807. The next prime is 13480843. The reversal of 13480836 is 63808431.

13480836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13480797 and 13480806.

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, 561690 + ... + 561713.

It is an arithmetic number, because the mean of its divisors is an integer number (2621276).

Almost surely, 213480836 is an apocalyptic number.

It is an amenable number.

13480836 is an abundant number, since it is smaller than the sum of its proper divisors (17974476).

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

13480836 is a wasteful number, since it uses less digits than its factorization.

13480836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123410 (or 1123408 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13480836 is about 3671.6257979266. The cubic root of 13480836 is about 237.9974342402.

The spelling of 13480836 in words is "thirteen million, four hundred eighty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 1123403 2246806 3370209 4493612 6740418 13480836