Base | Representation |
---|---|
bin | 110010000010… |
… | …001000110110 |
3 | 220200100201020 |
4 | 302002020312 |
5 | 11324202313 |
6 | 1145042010 |
7 | 216324642 |
oct | 62021066 |
9 | 26610636 |
10 | 13115958 |
11 | 7449239 |
12 | 4486306 |
13 | 2942c2b |
14 | 1a55c22 |
15 | 1241323 |
hex | c82236 |
13115958 has 16 divisors (see below), whose sum is σ = 26394816. Its totient is φ = 4344840.
The previous prime is 13115951. The next prime is 13115981. The reversal of 13115958 is 85951131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13115951) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5728 + ... + 7683.
It is an arithmetic number, because the mean of its divisors is an integer number (1649676).
Almost surely, 213115958 is an apocalyptic number.
13115958 is an abundant number, since it is smaller than the sum of its proper divisors (13278858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13115958 is a wasteful number, since it uses less digits than its factorization.
13115958 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13579.
The product of its digits is 5400, while the sum is 33.
The square root of 13115958 is about 3621.5960569892. The cubic root of 13115958 is about 235.8305184590.
The spelling of 13115958 in words is "thirteen million, one hundred fifteen thousand, nine hundred fifty-eight".
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