Base | Representation |
---|---|
bin | 101111011100… |
… | …110110001100 |
3 | 212101221222220 |
4 | 233130312030 |
5 | 11141021144 |
6 | 1122335340 |
7 | 210505041 |
oct | 57346614 |
9 | 25357886 |
10 | 12438924 |
11 | 7026603 |
12 | 41ba550 |
13 | 2766a14 |
14 | 191b1c8 |
15 | 115a919 |
hex | bdcd8c |
12438924 has 24 divisors (see below), whose sum is σ = 29091888. Its totient is φ = 4136640.
The previous prime is 12438887. The next prime is 12438931. The reversal of 12438924 is 42983421.
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, 5754 + ... + 7614.
It is an arithmetic number, because the mean of its divisors is an integer number (1212162).
Almost surely, 212438924 is an apocalyptic number.
It is an amenable number.
12438924 is an abundant number, since it is smaller than the sum of its proper divisors (16652964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12438924 is a wasteful number, since it uses less digits than its factorization.
12438924 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2425 (or 2423 counting only the distinct ones).
The product of its digits is 13824, while the sum is 33.
The square root of 12438924 is about 3526.8858785053. The cubic root of 12438924 is about 231.7008381409.
The spelling of 12438924 in words is "twelve million, four hundred thirty-eight thousand, nine hundred twenty-four".
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