Base | Representation |
---|---|
bin | 10000111100000… |
… | …101101000100000 |
3 | 201210202012111200 |
4 | 100330011220200 |
5 | 1040222442133 |
6 | 44111041200 |
7 | 10020360006 |
oct | 2074055040 |
9 | 653665450 |
10 | 284187168 |
11 | 136464031 |
12 | 7b210200 |
13 | 46b524b5 |
14 | 29a58a76 |
15 | 19e38913 |
hex | 10f05a20 |
284187168 has 144 divisors (see below), whose sum is σ = 843897600. Its totient is φ = 90616320.
The previous prime is 284187157. The next prime is 284187179. The reversal of 284187168 is 861781482.
284187168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (284187157) and next prime (284187179).
It is a tau number, because it is divible by the number of its divisors (144).
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, 1240878 + ... + 1241106.
It is an arithmetic number, because the mean of its divisors is an integer number (5860400).
Almost surely, 2284187168 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 284187168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421948800).
284187168 is an abundant number, since it is smaller than the sum of its proper divisors (559710432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
284187168 is a wasteful number, since it uses less digits than its factorization.
284187168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415 (or 404 counting only the distinct ones).
The product of its digits is 172032, while the sum is 45.
The square root of 284187168 is about 16857.8518204426. The cubic root of 284187168 is about 657.4582126334.
It can be divided in two parts, 2841 and 87168, that added together give a palindrome (90009).
The spelling of 284187168 in words is "two hundred eighty-four million, one hundred eighty-seven thousand, one hundred sixty-eight".
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