Base | Representation |
---|---|
bin | 110001110001… |
… | …111110010000 |
3 | 220112222212212 |
4 | 301301332100 |
5 | 11320042434 |
6 | 1143411252 |
7 | 215630621 |
oct | 61617620 |
9 | 26488785 |
10 | 13049744 |
11 | 7403514 |
12 | 4453b28 |
13 | 291ba56 |
14 | 1a39a48 |
15 | 122b8ce |
hex | c71f90 |
13049744 has 20 divisors (see below), whose sum is σ = 26771724. Its totient is φ = 6140928.
The previous prime is 13049723. The next prime is 13049749. The reversal of 13049744 is 44794031.
It is a happy number.
13049744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 883600 = 3488^2 + 940^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13049744.
It is not an unprimeable number, because it can be changed into a prime (13049749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23717 + ... + 24260.
Almost surely, 213049744 is an apocalyptic number.
It is an amenable number.
13049744 is an abundant number, since it is smaller than the sum of its proper divisors (13721980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13049744 is a wasteful number, since it uses less digits than its factorization.
13049744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48002 (or 47996 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 13049744 is about 3612.4429407258. The cubic root of 13049744 is about 235.4329967771.
The spelling of 13049744 in words is "thirteen million, forty-nine thousand, seven hundred forty-four".
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