Base | Representation |
---|---|
bin | 100011111001… |
… | …0111111101000 |
3 | 1022102012200122 |
4 | 1013302333220 |
5 | 14304233341 |
6 | 1511222412 |
7 | 315656000 |
oct | 107627750 |
9 | 38365618 |
10 | 18821096 |
11 | a695628 |
12 | 6377a08 |
13 | 3b8c958 |
14 | 26dd000 |
15 | 19bb94b |
hex | 11f2fe8 |
18821096 has 64 divisors (see below), whose sum is σ = 43440000. Its totient is φ = 7641648.
The previous prime is 18821083. The next prime is 18821111. The reversal of 18821096 is 69012881.
The cubic root of 18821096 is 266.
It is a perfect power (a cube), and thus also a powerful number.
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, 990575 + ... + 990593.
It is an arithmetic number, because the mean of its divisors is an integer number (678750).
Almost surely, 218821096 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18821096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21720000).
18821096 is an abundant number, since it is smaller than the sum of its proper divisors (24618904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18821096 is an frugal number, since it uses more digits than its factorization.
18821096 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84 (or 28 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 35.
The square root of 18821096 is about 4338.3287104598.
The spelling of 18821096 in words is "eighteen million, eight hundred twenty-one thousand, ninety-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •