Base | Representation |
---|---|
bin | 110000011011… |
… | …001100010010 |
3 | 212212221021220 |
4 | 300123030102 |
5 | 11222204130 |
6 | 1132025510 |
7 | 212620410 |
oct | 60331422 |
9 | 25787256 |
10 | 12694290 |
11 | 7190454 |
12 | 4302296 |
13 | 282601b |
14 | 19862b0 |
15 | 11ab410 |
hex | c1b312 |
12694290 has 32 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 2901504.
The previous prime is 12694271. The next prime is 12694327. The reversal of 12694290 is 9249621.
It is a super-2 number, since 2×126942902 = 322289997208200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30015 + ... + 30434.
It is an arithmetic number, because the mean of its divisors is an integer number (1088100).
Almost surely, 212694290 is an apocalyptic number.
12694290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12694290 is an abundant number, since it is smaller than the sum of its proper divisors (22124910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12694290 is a wasteful number, since it uses less digits than its factorization.
12694290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60466.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 12694290 is about 3562.9047138536. The cubic root of 12694290 is about 233.2756841706.
The spelling of 12694290 in words is "twelve million, six hundred ninety-four thousand, two hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •