Base | Representation |
---|---|
bin | 10011101011100… |
… | …01110111110001 |
3 | 102111122120210222 |
4 | 21311301313301 |
5 | 314230432344 |
6 | 24214302425 |
7 | 4043160155 |
oct | 1165616761 |
9 | 374576728 |
10 | 165092849 |
11 | 85210779 |
12 | 47357a15 |
13 | 2828489c |
14 | 17cd7065 |
15 | e7615ee |
hex | 9d71df1 |
165092849 has 6 divisors (see below), whose sum is σ = 165858966. Its totient is φ = 164330240.
The previous prime is 165092833. The next prime is 165092923. The reversal of 165092849 is 948290561.
It can be written as a sum of positive squares in 3 ways, for example, as 24433249 + 140659600 = 4943^2 + 11860^2 .
It is not a de Polignac number, because 165092849 - 24 = 165092833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (165092819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52769 + ... + 55809.
It is an arithmetic number, because the mean of its divisors is an integer number (27643161).
Almost surely, 2165092849 is an apocalyptic number.
It is an amenable number.
165092849 is a deficient number, since it is larger than the sum of its proper divisors (766117).
165092849 is an frugal number, since it uses more digits than its factorization.
165092849 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3507 (or 3274 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 44.
The square root of 165092849 is about 12848.8462127928. The cubic root of 165092849 is about 548.5835165180.
The spelling of 165092849 in words is "one hundred sixty-five million, ninety-two thousand, eight hundred forty-nine".
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