Base | Representation |
---|---|
bin | 110001010011… |
… | …011101001001 |
3 | 220022122102021 |
4 | 301103131021 |
5 | 11302042440 |
6 | 1141004441 |
7 | 214600321 |
oct | 61233511 |
9 | 26278367 |
10 | 12924745 |
11 | 7328609 |
12 | 43b3721 |
13 | 28a6ba2 |
14 | 1a06281 |
15 | 120484a |
hex | c53749 |
12924745 has 4 divisors (see below), whose sum is σ = 15509700. Its totient is φ = 10339792.
The previous prime is 12924727. The next prime is 12924761. The reversal of 12924745 is 54742921.
12924745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 2913849 = 3164^2 + 1707^2 .
It is a cyclic number.
It is not a de Polignac number, because 12924745 - 25 = 12924713 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12924745.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292470 + ... + 1292479.
It is an arithmetic number, because the mean of its divisors is an integer number (3877425).
Almost surely, 212924745 is an apocalyptic number.
It is an amenable number.
12924745 is a deficient number, since it is larger than the sum of its proper divisors (2584955).
12924745 is an equidigital number, since it uses as much as digits as its factorization.
12924745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2584954.
The product of its digits is 20160, while the sum is 34.
The square root of 12924745 is about 3595.1001376874. The cubic root of 12924745 is about 234.6788732871.
The spelling of 12924745 in words is "twelve million, nine hundred twenty-four thousand, seven hundred forty-five".
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