Base | Representation |
---|---|
bin | 100010011000… |
… | …0111010010010 |
3 | 1020220211012110 |
4 | 1010300322102 |
5 | 14103314010 |
6 | 1442210150 |
7 | 306135213 |
oct | 104607222 |
9 | 36824173 |
10 | 18026130 |
11 | a1a2331 |
12 | 6053956 |
13 | 3971b65 |
14 | 257340a |
15 | 18b1120 |
hex | 1130e92 |
18026130 has 32 divisors (see below), whose sum is σ = 43415424. Its totient is φ = 4790016.
The previous prime is 18026123. The next prime is 18026161. The reversal of 18026130 is 3162081.
It is a junction number, because it is equal to n+sod(n) for n = 18026097 and 18026106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9219 + ... + 11001.
It is an arithmetic number, because the mean of its divisors is an integer number (1356732).
Almost surely, 218026130 is an apocalyptic number.
18026130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18026130 is an abundant number, since it is smaller than the sum of its proper divisors (25389294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18026130 is a wasteful number, since it uses less digits than its factorization.
18026130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2130.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 18026130 is about 4245.7190203781. The cubic root of 18026130 is about 262.2008928702.
The spelling of 18026130 in words is "eighteen million, twenty-six thousand, one hundred thirty".
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