Base | Representation |
---|---|
bin | 110010100111… |
… | …100100000001 |
3 | 220222010222200 |
4 | 302213210001 |
5 | 11344103444 |
6 | 1152223413 |
7 | 220533600 |
oct | 62474401 |
9 | 26863880 |
10 | 13269249 |
11 | 7543424 |
12 | 453ab69 |
13 | 2997936 |
14 | 1a95a37 |
15 | 1271969 |
hex | ca7901 |
13269249 has 18 divisors (see below), whose sum is σ = 22296690. Its totient is φ = 7582176.
The previous prime is 13269247. The next prime is 13269259. The reversal of 13269249 is 94296231.
It can be written as a sum of positive squares in only one way, i.e., 11289600 + 1979649 = 3360^2 + 1407^2 .
It is not a de Polignac number, because 13269249 - 21 = 13269247 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13269247) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14604 + ... + 15485.
It is an arithmetic number, because the mean of its divisors is an integer number (1238705).
Almost surely, 213269249 is an apocalyptic number.
It is an amenable number.
13269249 is a deficient number, since it is larger than the sum of its proper divisors (9027441).
13269249 is a wasteful number, since it uses less digits than its factorization.
13269249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30109 (or 30099 counting only the distinct ones).
The product of its digits is 23328, while the sum is 36.
The square root of 13269249 is about 3642.6980385423. The cubic root of 13269249 is about 236.7457081313.
The spelling of 13269249 in words is "thirteen million, two hundred sixty-nine thousand, two hundred forty-nine".
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