Base | Representation |
---|---|
bin | 10000111100011… |
… | …001011010000001 |
3 | 201210220022121102 |
4 | 100330121122001 |
5 | 1040233040121 |
6 | 44112504145 |
7 | 10021145102 |
oct | 2074313201 |
9 | 653808542 |
10 | 284268161 |
11 | 136509971 |
12 | 7b24b055 |
13 | 46b80318 |
14 | 29a7a3a9 |
15 | 19e5290b |
hex | 10f19681 |
284268161 has 2 divisors, whose sum is σ = 284268162. Its totient is φ = 284268160.
The previous prime is 284268137. The next prime is 284268163. The reversal of 284268161 is 161862482.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 230098561 + 54169600 = 15169^2 + 7360^2 .
It is a cyclic number.
It is not a de Polignac number, because 284268161 - 214 = 284251777 is a prime.
Together with 284268163, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (284268163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142134080 + 142134081.
It is an arithmetic number, because the mean of its divisors is an integer number (142134081).
Almost surely, 2284268161 is an apocalyptic number.
It is an amenable number.
284268161 is a deficient number, since it is larger than the sum of its proper divisors (1).
284268161 is an equidigital number, since it uses as much as digits as its factorization.
284268161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36864, while the sum is 38.
The square root of 284268161 is about 16860.2538830232. The cubic root of 284268161 is about 657.5206649666.
The spelling of 284268161 in words is "two hundred eighty-four million, two hundred sixty-eight thousand, one hundred sixty-one".
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