Base | Representation |
---|---|
bin | 10011100110101… |
… | …11011010111111 |
3 | 102110110110000101 |
4 | 21303113122333 |
5 | 314100211343 |
6 | 24152541531 |
7 | 4034613604 |
oct | 1163273277 |
9 | 373413011 |
10 | 164460223 |
11 | 84919444 |
12 | 470b18a7 |
13 | 280c2955 |
14 | 17bb06ab |
15 | e688e4d |
hex | 9cd76bf |
164460223 has 2 divisors, whose sum is σ = 164460224. Its totient is φ = 164460222.
The previous prime is 164460217. The next prime is 164460271. The reversal of 164460223 is 322064461.
It is a weak prime.
It is an emirp because it is prime and its reverse (322064461) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 164460223 - 213 = 164452031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 164460191 and 164460200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (164460293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82230111 + 82230112.
It is an arithmetic number, because the mean of its divisors is an integer number (82230112).
Almost surely, 2164460223 is an apocalyptic number.
164460223 is a deficient number, since it is larger than the sum of its proper divisors (1).
164460223 is an equidigital number, since it uses as much as digits as its factorization.
164460223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 164460223 is about 12824.2045757232. The cubic root of 164460223 is about 547.8819064174.
The spelling of 164460223 in words is "one hundred sixty-four million, four hundred sixty thousand, two hundred twenty-three".
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