Base | Representation |
---|---|
bin | 110001111101… |
… | …100100110101 |
3 | 220122102002001 |
4 | 301331210311 |
5 | 11323103034 |
6 | 1144415301 |
7 | 216216313 |
oct | 61754465 |
9 | 26572061 |
10 | 13097269 |
11 | 7436199 |
12 | 4477531 |
13 | 2937583 |
14 | 1a4d0b3 |
15 | 123aa14 |
hex | c7d935 |
13097269 has 4 divisors (see below), whose sum is σ = 13106380. Its totient is φ = 13088160.
The previous prime is 13097261. The next prime is 13097291. The reversal of 13097269 is 96279031.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96279031 = 2099 ⋅45869.
It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 7980625 = 2262^2 + 2825^2 .
It is a cyclic number.
It is not a de Polignac number, because 13097269 - 23 = 13097261 is a prime.
It is a super-2 number, since 2×130972692 = 343076910516722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13097261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872 + ... + 5449.
It is an arithmetic number, because the mean of its divisors is an integer number (3276595).
Almost surely, 213097269 is an apocalyptic number.
It is an amenable number.
13097269 is a deficient number, since it is larger than the sum of its proper divisors (9111).
13097269 is an equidigital number, since it uses as much as digits as its factorization.
13097269 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9110.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 13097269 is about 3619.0149212182. The cubic root of 13097269 is about 235.7184531512.
It can be divided in two parts, 13097 and 269, that added together give a triangular number (13366 = T163).
The spelling of 13097269 in words is "thirteen million, ninety-seven thousand, two hundred sixty-nine".
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