Base | Representation |
---|---|
bin | 101111010001… |
… | …100000011000 |
3 | 212022121021110 |
4 | 233101200120 |
5 | 11133024342 |
6 | 1121340320 |
7 | 210222441 |
oct | 57214030 |
9 | 25277243 |
10 | 12392472 |
11 | 6aa4714 |
12 | 41976a0 |
13 | 274b831 |
14 | 19082c8 |
15 | 114bc9c |
hex | bd1818 |
12392472 has 32 divisors (see below), whose sum is σ = 31215600. Its totient is φ = 4099584.
The previous prime is 12392459. The next prime is 12392519. The reversal of 12392472 is 27429321.
It is a congruent 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, 1404 + ... + 5172.
Almost surely, 212392472 is an apocalyptic number.
12392472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12392472 is an abundant number, since it is smaller than the sum of its proper divisors (18823128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12392472 is a wasteful number, since it uses less digits than its factorization.
12392472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915 (or 3911 counting only the distinct ones).
The product of its digits is 6048, while the sum is 30.
The square root of 12392472 is about 3520.2943058784. The cubic root of 12392472 is about 231.4120566524.
The spelling of 12392472 in words is "twelve million, three hundred ninety-two thousand, four hundred seventy-two".
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