Base | Representation |
---|---|
bin | 110011011101… |
… | …011000001000 |
3 | 221101100100111 |
4 | 303131120020 |
5 | 11423132142 |
6 | 1201044104 |
7 | 222442330 |
oct | 63353010 |
9 | 27340314 |
10 | 13489672 |
11 | 7683a99 |
12 | 4626634 |
13 | 2a44071 |
14 | 1b120c0 |
15 | 12b6e17 |
hex | cdd608 |
13489672 has 32 divisors (see below), whose sum is σ = 29131200. Its totient is φ = 5736384.
The previous prime is 13489667. The next prime is 13489691. The reversal of 13489672 is 27698431.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 6918 + ... + 8650.
It is an arithmetic number, because the mean of its divisors is an integer number (910350).
Almost surely, 213489672 is an apocalyptic number.
It is an amenable number.
13489672 is an abundant number, since it is smaller than the sum of its proper divisors (15641528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13489672 is a wasteful number, since it uses less digits than its factorization.
13489672 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1885 (or 1881 counting only the distinct ones).
The product of its digits is 72576, while the sum is 40.
The square root of 13489672 is about 3672.8288824828. The cubic root of 13489672 is about 238.0494212742.
It can be divided in two parts, 13489 and 672, that added together give a square (14161 = 1192).
The spelling of 13489672 in words is "thirteen million, four hundred eighty-nine thousand, six hundred seventy-two".
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