Base | Representation |
---|---|
bin | 100010010111… |
… | …1011101010110 |
3 | 1020220112001011 |
4 | 1010233131112 |
5 | 14103121212 |
6 | 1442122434 |
7 | 306111655 |
oct | 104573526 |
9 | 36815034 |
10 | 18020182 |
11 | a198914 |
12 | 605041a |
13 | 396c23b |
14 | 257119c |
15 | 18ae4a7 |
hex | 112f756 |
18020182 has 16 divisors (see below), whose sum is σ = 27788112. Its totient is φ = 8759520.
The previous prime is 18020173. The next prime is 18020183. The reversal of 18020182 is 28102081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18020183) 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, 26932 + ... + 27592.
It is an arithmetic number, because the mean of its divisors is an integer number (1736757).
Almost surely, 218020182 is an apocalyptic number.
18020182 is a deficient number, since it is larger than the sum of its proper divisors (9767930).
18020182 is a wasteful number, since it uses less digits than its factorization.
18020182 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1023.
The product of its (nonzero) digits is 256, while the sum is 22.
The square root of 18020182 is about 4245.0184923037. The cubic root of 18020182 is about 262.1720506196.
The spelling of 18020182 in words is "eighteen million, twenty thousand, one hundred eighty-two".
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