Base | Representation |
---|---|
bin | 110010100110… |
… | …011110010000 |
3 | 220221220212022 |
4 | 302212132100 |
5 | 11343433114 |
6 | 1152151012 |
7 | 220514561 |
oct | 62463620 |
9 | 26856768 |
10 | 13264784 |
11 | 7540035 |
12 | 4538468 |
13 | 29958b0 |
14 | 1a94168 |
15 | 127048e |
hex | ca6790 |
13264784 has 20 divisors (see below), whose sum is σ = 27677916. Its totient is φ = 6122112.
The previous prime is 13264781. The next prime is 13264789. The reversal of 13264784 is 48746231.
It can be written as a sum of positive squares in 2 ways, for example, as 1210000 + 12054784 = 1100^2 + 3472^2 .
It is not an unprimeable number, because it can be changed into a prime (13264781) 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, 31679 + ... + 32094.
Almost surely, 213264784 is an apocalyptic number.
It is an amenable number.
13264784 is an abundant number, since it is smaller than the sum of its proper divisors (14413132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13264784 is a wasteful number, since it uses less digits than its factorization.
13264784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63794 (or 63788 counting only the distinct ones).
The product of its digits is 32256, while the sum is 35.
The square root of 13264784 is about 3642.0851170724. The cubic root of 13264784 is about 236.7191507837.
The spelling of 13264784 in words is "thirteen million, two hundred sixty-four thousand, seven hundred eighty-four".
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