Base | Representation |
---|---|
bin | 101111000100… |
… | …010111011001 |
3 | 212012212110000 |
4 | 233010113121 |
5 | 11124314044 |
6 | 1120243213 |
7 | 206606511 |
oct | 57042731 |
9 | 25185400 |
10 | 12338649 |
11 | 6a68234 |
12 | 4170509 |
13 | 273019b |
14 | 18d2841 |
15 | 113ad69 |
hex | bc45d9 |
12338649 has 40 divisors (see below), whose sum is σ = 19863360. Its totient is φ = 7612704.
The previous prime is 12338639. The next prime is 12338671. The reversal of 12338649 is 94683321.
12338649 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 8 + 649 = 666.
12338649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12338649 - 220 = 11290073 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12338639) by changing a digit.
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 39 ways as a sum of consecutive naturals, for example, 68842 + ... + 69020.
It is an arithmetic number, because the mean of its divisors is an integer number (496584).
Almost surely, 212338649 is an apocalyptic number.
It is an amenable number.
12338649 is a deficient number, since it is larger than the sum of its proper divisors (7524711).
12338649 is a wasteful number, since it uses less digits than its factorization.
12338649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 251 (or 242 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 12338649 is about 3512.6413138833. The cubic root of 12338649 is about 231.0765474092.
The spelling of 12338649 in words is "twelve million, three hundred thirty-eight thousand, six hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •