Base | Representation |
---|---|
bin | 100010011111… |
… | …1000111001100 |
3 | 1021000202222220 |
4 | 1010333013030 |
5 | 14112144200 |
6 | 1443335340 |
7 | 306466623 |
oct | 104770714 |
9 | 37022886 |
10 | 18084300 |
11 | a232003 |
12 | 6081550 |
13 | 3992490 |
14 | 258a6ba |
15 | 18c34a0 |
hex | 113f1cc |
18084300 has 72 divisors (see below), whose sum is σ = 56360976. Its totient is φ = 4450560.
The previous prime is 18084247. The next prime is 18084301. The reversal of 18084300 is 348081.
It is not an unprimeable number, because it can be changed into a prime (18084301) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1582 + ... + 6218.
Almost surely, 218084300 is an apocalyptic number.
18084300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18084300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28180488).
18084300 is an abundant number, since it is smaller than the sum of its proper divisors (38276676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18084300 is a wasteful number, since it uses less digits than its factorization.
18084300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4667 (or 4660 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 18084300 is about 4252.5639325000. The cubic root of 18084300 is about 262.4826292360.
The spelling of 18084300 in words is "eighteen million, eighty-four thousand, three hundred".
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