Base | Representation |
---|---|
bin | 110010101011… |
… | …100011001100 |
3 | 220222222101112 |
4 | 302223203030 |
5 | 11400114310 |
6 | 1152431152 |
7 | 220632320 |
oct | 62534314 |
9 | 26888345 |
10 | 13285580 |
11 | 7554720 |
12 | 45484b8 |
13 | 29a21b9 |
14 | 1a9b980 |
15 | 1276705 |
hex | cab8cc |
13285580 has 48 divisors (see below), whose sum is σ = 34788096. Its totient is φ = 4140480.
The previous prime is 13285529. The next prime is 13285603. The reversal of 13285580 is 8558231.
It is a happy number.
13285580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774 + ... + 5853.
It is an arithmetic number, because the mean of its divisors is an integer number (724752).
Almost surely, 213285580 is an apocalyptic number.
13285580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13285580 is an abundant number, since it is smaller than the sum of its proper divisors (21502516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13285580 is a wasteful number, since it uses less digits than its factorization.
13285580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8654 (or 8652 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 32.
The square root of 13285580 is about 3644.9389569648. The cubic root of 13285580 is about 236.8427924780.
The spelling of 13285580 in words is "thirteen million, two hundred eighty-five thousand, five hundred eighty".
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