Base | Representation |
---|---|
bin | 110011110111… |
… | …100110010000 |
3 | 221120210200021 |
4 | 303313212100 |
5 | 11440101242 |
6 | 1203233224 |
7 | 223400416 |
oct | 63674620 |
9 | 27523607 |
10 | 13597072 |
11 | 7747755 |
12 | 4678814 |
13 | 2a80c08 |
14 | 1b3d2b6 |
15 | 12d8b67 |
hex | cf7990 |
13597072 has 20 divisors (see below), whose sum is σ = 26618956. Its totient is φ = 6727680.
The previous prime is 13597069. The next prime is 13597079. The reversal of 13597072 is 27079531.
It can be written as a sum of positive squares in 2 ways, for example, as 3254416 + 10342656 = 1804^2 + 3216^2 .
It is not an unprimeable number, because it can be changed into a prime (13597079) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829 + ... + 5932.
Almost surely, 213597072 is an apocalyptic number.
It is an amenable number.
13597072 is a deficient number, since it is larger than the sum of its proper divisors (13021884).
13597072 is an equidigital number, since it uses as much as digits as its factorization.
13597072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8866 (or 8860 counting only the distinct ones).
The product of its (nonzero) digits is 13230, while the sum is 34.
The square root of 13597072 is about 3687.4207788100. The cubic root of 13597072 is about 238.6795071619.
The spelling of 13597072 in words is "thirteen million, five hundred ninety-seven thousand, seventy-two".
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