Base | Representation |
---|---|
bin | 101110010000… |
… | …101011010000 |
3 | 211211010000111 |
4 | 232100223100 |
5 | 11101030203 |
6 | 1111531104 |
7 | 205035322 |
oct | 56205320 |
9 | 24733014 |
10 | 12126928 |
11 | 6933160 |
12 | 4089a94 |
13 | 26879c8 |
14 | 1879612 |
15 | 10e826d |
hex | b90ad0 |
12126928 has 20 divisors (see below), whose sum is σ = 25632288. Its totient is φ = 5512160.
The previous prime is 12126923. The next prime is 12126931. The reversal of 12126928 is 82962121.
It is a self number, because there is not a number n which added to its sum of digits gives 12126928.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12126923) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34276 + ... + 34627.
Almost surely, 212126928 is an apocalyptic number.
It is an amenable number.
12126928 is an abundant number, since it is smaller than the sum of its proper divisors (13505360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12126928 is a wasteful number, since it uses less digits than its factorization.
12126928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68922 (or 68916 counting only the distinct ones).
The product of its digits is 3456, while the sum is 31.
The square root of 12126928 is about 3482.3739029576. The cubic root of 12126928 is about 229.7472207118.
The spelling of 12126928 in words is "twelve million, one hundred twenty-six thousand, nine hundred twenty-eight".
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