Base | Representation |
---|---|
bin | 110001100110… |
… | …111001010100 |
3 | 220110200122102 |
4 | 301212321110 |
5 | 11312114442 |
6 | 1142421232 |
7 | 215351423 |
oct | 61467124 |
9 | 26420572 |
10 | 13004372 |
11 | 7382417 |
12 | 4431818 |
13 | 29041c4 |
14 | 1a272ba |
15 | 121d232 |
hex | c66e54 |
13004372 has 6 divisors (see below), whose sum is σ = 22757658. Its totient is φ = 6502184.
The previous prime is 13004363. The next prime is 13004377. The reversal of 13004372 is 27340031.
13004372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 12292036 + 712336 = 3506^2 + 844^2 .
It is a super-2 number, since 2×130043722 = 338227382228768, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13004377) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1625543 + ... + 1625550.
It is an arithmetic number, because the mean of its divisors is an integer number (3792943).
Almost surely, 213004372 is an apocalyptic number.
It is an amenable number.
13004372 is a deficient number, since it is larger than the sum of its proper divisors (9753286).
13004372 is a wasteful number, since it uses less digits than its factorization.
13004372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3251097 (or 3251095 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 20.
The square root of 13004372 is about 3606.1575118123. The cubic root of 13004372 is about 235.1598248825.
The spelling of 13004372 in words is "thirteen million, four thousand, three hundred seventy-two".
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