Base | Representation |
---|---|
bin | 110010100111… |
… | …111100111010 |
3 | 220222020011200 |
4 | 302213330322 |
5 | 11344131332 |
6 | 1152235030 |
7 | 220541334 |
oct | 62477472 |
9 | 26866150 |
10 | 13270842 |
11 | 7544642 |
12 | 453ba76 |
13 | 2998590 |
14 | 1a96454 |
15 | 127217c |
hex | ca7f3a |
13270842 has 24 divisors (see below), whose sum is σ = 30965844. Its totient is φ = 4083264.
The previous prime is 13270819. The next prime is 13270843. The reversal of 13270842 is 24807231.
It can be written as a sum of positive squares in 2 ways, for example, as 13111641 + 159201 = 3621^2 + 399^2 .
It is a super-2 number, since 2×132708422 = 352230494777928, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13270843) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28123 + ... + 28590.
Almost surely, 213270842 is an apocalyptic number.
13270842 is an abundant number, since it is smaller than the sum of its proper divisors (17695002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13270842 is a wasteful number, since it uses less digits than its factorization.
13270842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56734 (or 56731 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 13270842 is about 3642.9166885890. The cubic root of 13270842 is about 236.7551816849.
The spelling of 13270842 in words is "thirteen million, two hundred seventy thousand, eight hundred forty-two".
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