Base | Representation |
---|---|
bin | 110010101011… |
… | …100101101110 |
3 | 220222222121112 |
4 | 302223211232 |
5 | 11400120432 |
6 | 1152432022 |
7 | 220632641 |
oct | 62534556 |
9 | 26888545 |
10 | 13285742 |
11 | 7554858 |
12 | 4548612 |
13 | 29a22b2 |
14 | 1a9ba58 |
15 | 12767b2 |
hex | cab96e |
13285742 has 16 divisors (see below), whose sum is σ = 20379600. Its totient is φ = 6494400.
The previous prime is 13285717. The next prime is 13285757. The reversal of 13285742 is 24758231.
It is a junction number, because it is equal to n+sod(n) for n = 13285699 and 13285708.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17609 + ... + 18347.
It is an arithmetic number, because the mean of its divisors is an integer number (1273725).
Almost surely, 213285742 is an apocalyptic number.
13285742 is a deficient number, since it is larger than the sum of its proper divisors (7093858).
13285742 is a wasteful number, since it uses less digits than its factorization.
13285742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 931.
The product of its digits is 13440, while the sum is 32.
The square root of 13285742 is about 3644.9611794915. The cubic root of 13285742 is about 236.8437551351.
The spelling of 13285742 in words is "thirteen million, two hundred eighty-five thousand, seven hundred forty-two".
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