Base | Representation |
---|---|
bin | 110001101111… |
… | …100100111010 |
3 | 220112111102101 |
4 | 301233210322 |
5 | 11314234210 |
6 | 1143254014 |
7 | 215560201 |
oct | 61574472 |
9 | 26474371 |
10 | 13039930 |
11 | 73a7102 |
12 | 444a30a |
13 | 2917447 |
14 | 1a36238 |
15 | 1228a3a |
hex | c6f93a |
13039930 has 16 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 5206480.
The previous prime is 13039921. The next prime is 13039951. The reversal of 13039930 is 3993031.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7875 + ... + 9385.
It is an arithmetic number, because the mean of its divisors is an integer number (1469664).
Almost surely, 213039930 is an apocalyptic number.
13039930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13039930 is a deficient number, since it is larger than the sum of its proper divisors (10474694).
13039930 is a wasteful number, since it uses less digits than its factorization.
13039930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2381.
The product of its (nonzero) digits is 2187, while the sum is 28.
The square root of 13039930 is about 3611.0843246870. The cubic root of 13039930 is about 235.3739632082.
The spelling of 13039930 in words is "thirteen million, thirty-nine thousand, nine hundred thirty".
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