Base | Representation |
---|---|
bin | 100010100100… |
… | …1100011011000 |
3 | 1021002221122202 |
4 | 1011021203120 |
5 | 14120031224 |
6 | 1444305332 |
7 | 310035404 |
oct | 105114330 |
9 | 37087582 |
10 | 18127064 |
11 | a26114a |
12 | 60a2248 |
13 | 39a8a97 |
14 | 259c104 |
15 | 18d0eae |
hex | 11498d8 |
18127064 has 32 divisors (see below), whose sum is σ = 36940800. Its totient is φ = 8307360.
The previous prime is 18127061. The next prime is 18127079. The reversal of 18127064 is 46072181.
18127064 = T182 + T183 + ... + T485.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18127061) 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, 2789 + ... + 6635.
It is an arithmetic number, because the mean of its divisors is an integer number (1154400).
Almost surely, 218127064 is an apocalyptic number.
It is an amenable number.
18127064 is an abundant number, since it is smaller than the sum of its proper divisors (18813736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18127064 is a wasteful number, since it uses less digits than its factorization.
18127064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3903 (or 3899 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 18127064 is about 4257.5889890876. The cubic root of 18127064 is about 262.6893641937.
The spelling of 18127064 in words is "eighteen million, one hundred twenty-seven thousand, sixty-four".
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