Base | Representation |
---|---|
bin | 10001001110000… |
… | …110101000111010 |
3 | 202010122010212000 |
4 | 101032012220322 |
5 | 1042430104012 |
6 | 44400201430 |
7 | 10105456602 |
oct | 2116065072 |
9 | 663563760 |
10 | 288909882 |
11 | 13909a2a8 |
12 | 80909276 |
13 | 47b16cc1 |
14 | 2a527c02 |
15 | 1a56cddc |
hex | 11386a3a |
288909882 has 16 divisors (see below), whose sum is σ = 642022080. Its totient is φ = 96303276.
The previous prime is 288909857. The next prime is 288909899.
288909882 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5350183 = 288909882 / (2 + 8 + 8 + 9 + 0 + 9 + 8 + 8 + 2).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675038 + ... + 2675145.
It is an arithmetic number, because the mean of its divisors is an integer number (40126380).
Almost surely, 2288909882 is an apocalyptic number.
288909882 is an abundant number, since it is smaller than the sum of its proper divisors (353112198).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
288909882 is a wasteful number, since it uses less digits than its factorization.
288909882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5350194 (or 5350188 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 54.
The square root of 288909882 is about 16997.3492639294. The cubic root of 288909882 is about 661.0801733442.
The spelling of 288909882 in words is "two hundred eighty-eight million, nine hundred nine thousand, eight hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •