Base | Representation |
---|---|
bin | 110010100000… |
… | …001101001011 |
3 | 220220121122121 |
4 | 302200031023 |
5 | 11342122430 |
6 | 1151432111 |
7 | 220350001 |
oct | 62401513 |
9 | 26817577 |
10 | 13239115 |
11 | 752281a |
12 | 4525637 |
13 | 2986cc6 |
14 | 1a88a71 |
15 | 1267a7a |
hex | ca034b |
13239115 has 8 divisors (see below), whose sum is σ = 16012800. Its totient is φ = 10507392.
The previous prime is 13239113. The next prime is 13239119. The reversal of 13239115 is 51193231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13239115 - 21 = 13239113 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13239115.
It is not an unprimeable number, because it can be changed into a prime (13239113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9790 + ... + 11059.
It is an arithmetic number, because the mean of its divisors is an integer number (2001600).
Almost surely, 213239115 is an apocalyptic number.
13239115 is a deficient number, since it is larger than the sum of its proper divisors (2773685).
13239115 is a wasteful number, since it uses less digits than its factorization.
13239115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20981.
The product of its digits is 810, while the sum is 25.
The square root of 13239115 is about 3638.5594677015. The cubic root of 13239115 is about 236.5663585585.
The spelling of 13239115 in words is "thirteen million, two hundred thirty-nine thousand, one hundred fifteen".
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