Base | Representation |
---|---|
bin | 100010100000… |
… | …1101111000000 |
3 | 1021001022201200 |
4 | 1011001233000 |
5 | 14113020130 |
6 | 1443501200 |
7 | 306543135 |
oct | 105015700 |
9 | 37038650 |
10 | 18095040 |
11 | a23a087 |
12 | 6087800 |
13 | 3997332 |
14 | 259058c |
15 | 18c6760 |
hex | 1141bc0 |
18095040 has 168 divisors, whose sum is σ = 63873888. Its totient is φ = 4700160.
The previous prime is 18095039. The next prime is 18095057. The reversal of 18095040 is 4059081.
It is a junction number, because it is equal to n+sod(n) for n = 18094995 and 18095013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175629 + ... + 175731.
Almost surely, 218095040 is an apocalyptic number.
18095040 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 18095040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31936944).
18095040 is an abundant number, since it is smaller than the sum of its proper divisors (45778848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18095040 is a wasteful number, since it uses less digits than its factorization.
18095040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187 (or 174 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 27.
The square root of 18095040 is about 4253.8265126824. The cubic root of 18095040 is about 262.5345804783.
The spelling of 18095040 in words is "eighteen million, ninety-five thousand, forty".
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