Base | Representation |
---|---|
bin | 110010000111… |
… | …101101001000 |
3 | 220201111222202 |
4 | 302013231020 |
5 | 11330420020 |
6 | 1145335332 |
7 | 216451265 |
oct | 62075510 |
9 | 26644882 |
10 | 13138760 |
11 | 7464388 |
12 | 4497548 |
13 | 295041b |
14 | 1a6026c |
15 | 1247e75 |
hex | c87b48 |
13138760 has 32 divisors (see below), whose sum is σ = 29712960. Its totient is φ = 5228736.
The previous prime is 13138757. The next prime is 13138771. The reversal of 13138760 is 6783131.
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 7 ways as a sum of consecutive naturals, for example, 8357 + ... + 9803.
It is an arithmetic number, because the mean of its divisors is an integer number (928530).
Almost surely, 213138760 is an apocalyptic number.
13138760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13138760 is an abundant number, since it is smaller than the sum of its proper divisors (16574200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13138760 is a wasteful number, since it uses less digits than its factorization.
13138760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1685 (or 1681 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 13138760 is about 3624.7427494927. The cubic root of 13138760 is about 235.9671025676.
The spelling of 13138760 in words is "thirteen million, one hundred thirty-eight thousand, seven hundred sixty".
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