Base | Representation |
---|---|
bin | 110001101111… |
… | …011010110101 |
3 | 220112110112111 |
4 | 301233122311 |
5 | 11314224120 |
6 | 1143251021 |
7 | 215555260 |
oct | 61573265 |
9 | 26473474 |
10 | 13039285 |
11 | 73a6676 |
12 | 4449a71 |
13 | 291706c |
14 | 1a35cd7 |
15 | 122875a |
hex | c6f6b5 |
13039285 has 16 divisors (see below), whose sum is σ = 18061056. Its totient is φ = 8851968.
The previous prime is 13039283. The next prime is 13039291. The reversal of 13039285 is 58293031.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 13039285 - 21 = 13039283 is a prime.
It is a super-2 number, since 2×130392852 = 340045906622450, 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 (13039283) 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, 1797 + ... + 5413.
It is an arithmetic number, because the mean of its divisors is an integer number (1128816).
Almost surely, 213039285 is an apocalyptic number.
It is an amenable number.
13039285 is a deficient number, since it is larger than the sum of its proper divisors (5021771).
13039285 is a wasteful number, since it uses less digits than its factorization.
13039285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3732.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 13039285 is about 3610.9950152278. The cubic root of 13039285 is about 235.3700823410.
The spelling of 13039285 in words is "thirteen million, thirty-nine thousand, two hundred eighty-five".
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