Base | Representation |
---|---|
bin | 10011110101010… |
… | …11010000101001 |
3 | 102121001210122012 |
4 | 21322223100221 |
5 | 320043021424 |
6 | 24302005305 |
7 | 4060114436 |
oct | 1172532051 |
9 | 377053565 |
10 | 166376489 |
11 | 85a08134 |
12 | 47876835 |
13 | 28613c36 |
14 | 1814cb8d |
15 | e916b0e |
hex | 9eab429 |
166376489 has 2 divisors, whose sum is σ = 166376490. Its totient is φ = 166376488.
The previous prime is 166376479. The next prime is 166376533. The reversal of 166376489 is 984673661.
166376489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 104203264 + 62173225 = 10208^2 + 7885^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-166376489 is a prime.
It is a super-2 number, since 2×1663764892 = 55362272183934242, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (166376429) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83188244 + 83188245.
It is an arithmetic number, because the mean of its divisors is an integer number (83188245).
Almost surely, 2166376489 is an apocalyptic number.
It is an amenable number.
166376489 is a deficient number, since it is larger than the sum of its proper divisors (1).
166376489 is an equidigital number, since it uses as much as digits as its factorization.
166376489 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1306368, while the sum is 50.
The square root of 166376489 is about 12898.7010586338. The cubic root of 166376489 is about 550.0016407665.
The spelling of 166376489 in words is "one hundred sixty-six million, three hundred seventy-six thousand, four hundred eighty-nine".
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