Base | Representation |
---|---|
bin | 110000010111… |
… | …100001111010 |
3 | 212212011201100 |
4 | 300113201322 |
5 | 11221214130 |
6 | 1131432230 |
7 | 212525601 |
oct | 60274172 |
9 | 25764640 |
10 | 12679290 |
11 | 7180158 |
12 | 42b5676 |
13 | 281c250 |
14 | 1980a38 |
15 | 11a6c60 |
hex | c1787a |
12679290 has 48 divisors (see below), whose sum is σ = 35505288. Its totient is φ = 3120768.
The previous prime is 12679283. The next prime is 12679307. The reversal of 12679290 is 9297621.
12679290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 6007401 + 6671889 = 2451^2 + 2583^2 .
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249 + ... + 6588.
Almost surely, 212679290 is an apocalyptic number.
12679290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12679290 is an abundant number, since it is smaller than the sum of its proper divisors (22825998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12679290 is a wasteful number, since it uses less digits than its factorization.
12679290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10863 (or 10860 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 36.
The square root of 12679290 is about 3560.7990676251. The cubic root of 12679290 is about 233.1837658252.
The spelling of 12679290 in words is "twelve million, six hundred seventy-nine thousand, two hundred ninety".
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