Base | Representation |
---|---|
bin | 100010011010… |
… | …1100000000110 |
3 | 1020221202222220 |
4 | 1010311200012 |
5 | 14104414214 |
6 | 1442433210 |
7 | 306244065 |
oct | 104654006 |
9 | 36852886 |
10 | 18044934 |
11 | a205476 |
12 | 6062806 |
13 | 397a59b |
14 | 257a1dc |
15 | 18b69a9 |
hex | 1135806 |
18044934 has 16 divisors (see below), whose sum is σ = 36599040. Its totient is φ = 5930120.
The previous prime is 18044933. The next prime is 18044941. The reversal of 18044934 is 43944081.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18044895 and 18044904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18044933) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20754 + ... + 21605.
It is an arithmetic number, because the mean of its divisors is an integer number (2287440).
Almost surely, 218044934 is an apocalyptic number.
18044934 is an abundant number, since it is smaller than the sum of its proper divisors (18554106).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18044934 is a wasteful number, since it uses less digits than its factorization.
18044934 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42435.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 18044934 is about 4247.9329090747. The cubic root of 18044934 is about 262.2920330130.
The spelling of 18044934 in words is "eighteen million, forty-four thousand, nine hundred thirty-four".
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