Base | Representation |
---|---|
bin | 110010100100… |
… | …010010010001 |
3 | 220221110120111 |
4 | 302210102101 |
5 | 11343141300 |
6 | 1152041321 |
7 | 220446502 |
oct | 62442221 |
9 | 26843514 |
10 | 13255825 |
11 | 7534330 |
12 | 4533241 |
13 | 29917ab |
14 | 1a90ba9 |
15 | 126c9ba |
hex | ca4491 |
13255825 has 48 divisors (see below), whose sum is σ = 19641600. Its totient is φ = 8769600.
The previous prime is 13255807. The next prime is 13255829. The reversal of 13255825 is 52855231.
It is not a de Polignac number, because 13255825 - 25 = 13255793 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13255829) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224646 + ... + 224704.
It is an arithmetic number, because the mean of its divisors is an integer number (409200).
Almost surely, 213255825 is an apocalyptic number.
It is an amenable number.
13255825 is a deficient number, since it is larger than the sum of its proper divisors (6385775).
13255825 is a wasteful number, since it uses less digits than its factorization.
13255825 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142 (or 137 counting only the distinct ones).
The product of its digits is 12000, while the sum is 31.
The square root of 13255825 is about 3640.8549820063. The cubic root of 13255825 is about 236.6658456186.
The spelling of 13255825 in words is "thirteen million, two hundred fifty-five thousand, eight hundred twenty-five".
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