Base | Representation |
---|---|
bin | 101111011010… |
… | …110111110110 |
3 | 212101112220102 |
4 | 233122313312 |
5 | 11140241323 |
6 | 1122234102 |
7 | 210442340 |
oct | 57326766 |
9 | 25345812 |
10 | 12430838 |
11 | 7020522 |
12 | 41b5932 |
13 | 2763134 |
14 | 1918290 |
15 | 1158328 |
hex | bdadf6 |
12430838 has 16 divisors (see below), whose sum is σ = 21384864. Its totient is φ = 5308800.
The previous prime is 12430837. The next prime is 12430849. The reversal of 12430838 is 83803421.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 12430838.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12430837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3038 + ... + 5838.
It is an arithmetic number, because the mean of its divisors is an integer number (1336554).
Almost surely, 212430838 is an apocalyptic number.
12430838 is a deficient number, since it is larger than the sum of its proper divisors (8954026).
12430838 is a wasteful number, since it uses less digits than its factorization.
12430838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3127.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 12430838 is about 3525.7393550857. The cubic root of 12430838 is about 231.6506210672.
The spelling of 12430838 in words is "twelve million, four hundred thirty thousand, eight hundred thirty-eight".
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