Base | Representation |
---|---|
bin | 101111011110… |
… | …011000110000 |
3 | 212102021122112 |
4 | 233132120300 |
5 | 11141221412 |
6 | 1122424452 |
7 | 210532322 |
oct | 57363060 |
9 | 25367575 |
10 | 12445232 |
11 | 7030318 |
12 | 4202128 |
13 | 2769857 |
14 | 191d612 |
15 | 115c722 |
hex | bde630 |
12445232 has 20 divisors (see below), whose sum is σ = 24674760. Its totient is φ = 6077568.
The previous prime is 12445187. The next prime is 12445249. The reversal of 12445232 is 23254421.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12445198 and 12445207.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8357 + ... + 9732.
It is an arithmetic number, because the mean of its divisors is an integer number (1233738).
Almost surely, 212445232 is an apocalyptic number.
It is an amenable number.
12445232 is a deficient number, since it is larger than the sum of its proper divisors (12229528).
12445232 is a wasteful number, since it uses less digits than its factorization.
12445232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18140 (or 18134 counting only the distinct ones).
The product of its digits is 1920, while the sum is 23.
The square root of 12445232 is about 3527.7800384945. The cubic root of 12445232 is about 231.7399980633.
Adding to 12445232 its reverse (23254421), we get a palindrome (35699653).
The spelling of 12445232 in words is "twelve million, four hundred forty-five thousand, two hundred thirty-two".
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