Base | Representation |
---|---|
bin | 110010100000… |
… | …000010110001 |
3 | 220220120201221 |
4 | 302200002301 |
5 | 11342112244 |
6 | 1151425041 |
7 | 220345030 |
oct | 62400261 |
9 | 26816657 |
10 | 13238449 |
11 | 7522274 |
12 | 4525181 |
13 | 2986903 |
14 | 1a88717 |
15 | 1267784 |
hex | ca00b1 |
13238449 has 16 divisors (see below), whose sum is σ = 15644160. Its totient is φ = 10967040.
The previous prime is 13238441. The next prime is 13238473. The reversal of 13238449 is 94483231.
It is not a de Polignac number, because 13238449 - 23 = 13238441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13238441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55272 + ... + 55510.
It is an arithmetic number, because the mean of its divisors is an integer number (977760).
Almost surely, 213238449 is an apocalyptic number.
It is an amenable number.
13238449 is a deficient number, since it is larger than the sum of its proper divisors (2405711).
13238449 is a wasteful number, since it uses less digits than its factorization.
13238449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480.
The product of its digits is 20736, while the sum is 34.
The square root of 13238449 is about 3638.4679468150. The cubic root of 13238449 is about 236.5623916308.
The spelling of 13238449 in words is "thirteen million, two hundred thirty-eight thousand, four hundred forty-nine".
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