Base | Representation |
---|---|
bin | 10011011110100… |
… | …00010000001111 |
3 | 102101102200100211 |
4 | 21233100100033 |
5 | 313311213122 |
6 | 24113503251 |
7 | 4022504125 |
oct | 1157202017 |
9 | 371380324 |
10 | 163382287 |
11 | 84252592 |
12 | 46871b27 |
13 | 27b06113 |
14 | 179ad915 |
15 | e524877 |
hex | 9bd040f |
163382287 has 2 divisors, whose sum is σ = 163382288. Its totient is φ = 163382286.
The previous prime is 163382251. The next prime is 163382299. The reversal of 163382287 is 782283361.
It is a strong prime.
It is an emirp because it is prime and its reverse (782283361) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 163382287 - 227 = 29164559 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (163382587) by changing a digit.
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 as a sum of consecutive naturals, namely, 81691143 + 81691144.
It is an arithmetic number, because the mean of its divisors is an integer number (81691144).
Almost surely, 2163382287 is an apocalyptic number.
163382287 is a deficient number, since it is larger than the sum of its proper divisors (1).
163382287 is an equidigital number, since it uses as much as digits as its factorization.
163382287 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 96768, while the sum is 40.
The square root of 163382287 is about 12782.1080812204. The cubic root of 163382287 is about 546.6822715570.
The spelling of 163382287 in words is "one hundred sixty-three million, three hundred eighty-two thousand, two hundred eighty-seven".
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