Base | Representation |
---|---|
bin | 110001101101… |
… | …010100000100 |
3 | 220112000201001 |
4 | 301231110010 |
5 | 11313440120 |
6 | 1143143044 |
7 | 215521156 |
oct | 61552404 |
9 | 26460631 |
10 | 13030660 |
11 | 73a0145 |
12 | 4444a84 |
13 | 2913166 |
14 | 1a32ad6 |
15 | 1225e0a |
hex | c6d504 |
13030660 has 24 divisors (see below), whose sum is σ = 28105560. Its totient is φ = 5071104.
The previous prime is 13030651. The next prime is 13030679. The reversal of 13030660 is 6603031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5089536 + 7941124 = 2256^2 + 2818^2 .
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, 8065 + ... + 9544.
It is an arithmetic number, because the mean of its divisors is an integer number (1171065).
Almost surely, 213030660 is an apocalyptic number.
13030660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13030660 is an abundant number, since it is smaller than the sum of its proper divisors (15074900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13030660 is a wasteful number, since it uses less digits than its factorization.
13030660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17655 (or 17653 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 13030660 is about 3609.8005485068. The cubic root of 13030660 is about 235.3181747216.
Adding to 13030660 its reverse (6603031), we get a palindrome (19633691).
The spelling of 13030660 in words is "thirteen million, thirty thousand, six hundred sixty".
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