Base | Representation |
---|---|
bin | 11010000001101… |
… | …11001111000000 |
3 | 120012211022112002 |
4 | 31000313033000 |
5 | 421343030143 |
6 | 33355323132 |
7 | 5260526516 |
oct | 1500671700 |
9 | 505738462 |
10 | 218330048 |
11 | 102272662 |
12 | 611504a8 |
13 | 363045a1 |
14 | 20dd44b6 |
15 | 1427a5b8 |
hex | d0373c0 |
218330048 has 28 divisors (see below), whose sum is σ = 458736192. Its totient is φ = 102743040.
The previous prime is 218330033. The next prime is 218330069. The reversal of 218330048 is 840033812.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 218330048.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99248 + ... + 101423.
Almost surely, 2218330048 is an apocalyptic number.
It is an amenable number.
218330048 is an abundant number, since it is smaller than the sum of its proper divisors (240406144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
218330048 is a wasteful number, since it uses less digits than its factorization.
218330048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200700 (or 200690 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 218330048 is about 14775.9956686512. The cubic root of 218330048 is about 602.1497403471.
The spelling of 218330048 in words is "two hundred eighteen million, three hundred thirty thousand, forty-eight".
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