Base | Representation |
---|---|
bin | 110010100000… |
… | …010001000000 |
3 | 220220121222200 |
4 | 302200101000 |
5 | 11342124420 |
6 | 1151433200 |
7 | 220350501 |
oct | 62402100 |
9 | 26817880 |
10 | 13239360 |
11 | 7522a22 |
12 | 4525800 |
13 | 2987154 |
14 | 1a88ba8 |
15 | 1267b90 |
hex | ca0440 |
13239360 has 84 divisors (see below), whose sum is σ = 45547788. Its totient is φ = 3529728.
The previous prime is 13239337. The next prime is 13239361. The reversal of 13239360 is 6393231.
It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 10653696 = 1608^2 + 3264^2 .
It is not an unprimeable number, because it can be changed into a prime (13239361) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 582 + ... + 5178.
Almost surely, 213239360 is an apocalyptic number.
13239360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13239360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22773894).
13239360 is an abundant number, since it is smaller than the sum of its proper divisors (32308428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13239360 is a wasteful number, since it uses less digits than its factorization.
13239360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4620 (or 4607 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
The square root of 13239360 is about 3638.5931347157. The cubic root of 13239360 is about 236.5678178303.
The spelling of 13239360 in words is "thirteen million, two hundred thirty-nine thousand, three hundred sixty".
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