Base | Representation |
---|---|
bin | 101111011100… |
… | …101001101100 |
3 | 212101220220021 |
4 | 233130221230 |
5 | 11141004444 |
6 | 1122331524 |
7 | 210502516 |
oct | 57345154 |
9 | 25356807 |
10 | 12438124 |
11 | 7025a46 |
12 | 41b9ba4 |
13 | 276654a |
14 | 191abb6 |
15 | 115a584 |
hex | bdca6c |
12438124 has 12 divisors (see below), whose sum is σ = 22713264. Its totient is φ = 5948624.
The previous prime is 12438121. The next prime is 12438149. The reversal of 12438124 is 42183421.
It is not an unprimeable number, because it can be changed into a prime (12438121) 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, 67507 + ... + 67690.
It is an arithmetic number, because the mean of its divisors is an integer number (1892772).
Almost surely, 212438124 is an apocalyptic number.
It is an amenable number.
12438124 is a deficient number, since it is larger than the sum of its proper divisors (10275140).
12438124 is a wasteful number, since it uses less digits than its factorization.
12438124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135224 (or 135222 counting only the distinct ones).
The product of its digits is 1536, while the sum is 25.
The square root of 12438124 is about 3526.7724621813. The cubic root of 12438124 is about 231.6958708130.
The spelling of 12438124 in words is "twelve million, four hundred thirty-eight thousand, one hundred twenty-four".
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