Base | Representation |
---|---|
bin | 101111101010… |
… | …001000000000 |
3 | 212111201121021 |
4 | 233222020000 |
5 | 11144241222 |
6 | 1123435224 |
7 | 211122436 |
oct | 57521000 |
9 | 25451537 |
10 | 12493312 |
11 | 7063457 |
12 | 4225b14 |
13 | 27856c0 |
14 | 1932d56 |
15 | 116bac7 |
hex | bea200 |
12493312 has 40 divisors (see below), whose sum is σ = 26896716. Its totient is φ = 5763072.
The previous prime is 12493307. The next prime is 12493321. The reversal of 12493312 is 21339421.
It can be written as a sum of positive squares in 2 ways, for example, as 12278016 + 215296 = 3504^2 + 464^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718 + ... + 7594.
Almost surely, 212493312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12493312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13448358).
12493312 is an abundant number, since it is smaller than the sum of its proper divisors (14403404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12493312 is an equidigital number, since it uses as much as digits as its factorization.
12493312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1908 (or 1892 counting only the distinct ones).
The product of its digits is 1296, while the sum is 25.
The square root of 12493312 is about 3534.5879533547. The cubic root of 12493312 is about 232.0380437017.
The spelling of 12493312 in words is "twelve million, four hundred ninety-three thousand, three hundred twelve".
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