Base | Representation |
---|---|
bin | 101110101100… |
… | …000001011001 |
3 | 212000210122222 |
4 | 232230001121 |
5 | 11113121222 |
6 | 1114153425 |
7 | 206013014 |
oct | 56540131 |
9 | 25023588 |
10 | 12238937 |
11 | 69aa327 |
12 | 4122875 |
13 | 26c6999 |
14 | 18a837b |
15 | 111b542 |
hex | bac059 |
12238937 has 4 divisors (see below), whose sum is σ = 12332496. Its totient is φ = 12145380.
The previous prime is 12238913. The next prime is 12238939. The reversal of 12238937 is 73983221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12238937 - 26 = 12238873 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12238897 and 12238906.
It is not an unprimeable number, because it can be changed into a prime (12238939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46583 + ... + 46844.
It is an arithmetic number, because the mean of its divisors is an integer number (3083124).
Almost surely, 212238937 is an apocalyptic number.
It is an amenable number.
12238937 is a deficient number, since it is larger than the sum of its proper divisors (93559).
12238937 is an equidigital number, since it uses as much as digits as its factorization.
12238937 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93558.
The product of its digits is 18144, while the sum is 35.
The square root of 12238937 is about 3498.4192144453. The cubic root of 12238937 is about 230.4523987951.
The spelling of 12238937 in words is "twelve million, two hundred thirty-eight thousand, nine hundred thirty-seven".
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