Base | Representation |
---|---|
bin | 101110010100… |
… | …100101011010 |
3 | 211211220222110 |
4 | 232110211122 |
5 | 11102033223 |
6 | 1112133150 |
7 | 205133103 |
oct | 56244532 |
9 | 24756873 |
10 | 12142938 |
11 | 6944195 |
12 | 40971b6 |
13 | 2692092 |
14 | 18813aa |
15 | 10ecd93 |
hex | b9495a |
12142938 has 32 divisors (see below), whose sum is σ = 26452800. Its totient is φ = 3701376.
The previous prime is 12142937. The next prime is 12142969. The reversal of 12142938 is 83924121.
12142938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12142931) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1470 + ... + 5142.
It is an arithmetic number, because the mean of its divisors is an integer number (826650).
Almost surely, 212142938 is an apocalyptic number.
12142938 is an abundant number, since it is smaller than the sum of its proper divisors (14309862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12142938 is a wasteful number, since it uses less digits than its factorization.
12142938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3726.
The product of its digits is 3456, while the sum is 30.
The square root of 12142938 is about 3484.6718640354. The cubic root of 12142938 is about 229.8482805326.
The spelling of 12142938 in words is "twelve million, one hundred forty-two thousand, nine hundred thirty-eight".
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