Base | Representation |
---|---|
bin | 10100001011100… |
… | …01011010101101 |
3 | 102210112120202200 |
4 | 22011301122231 |
5 | 321314112133 |
6 | 24444212113 |
7 | 4123621062 |
oct | 1205613255 |
9 | 383476680 |
10 | 169285293 |
11 | 87614601 |
12 | 4883a039 |
13 | 290c1c18 |
14 | 186a8c69 |
15 | ecdd913 |
hex | a1716ad |
169285293 has 12 divisors (see below), whose sum is σ = 244644348. Its totient is φ = 112800960.
The previous prime is 169285279. The next prime is 169285297. The reversal of 169285293 is 392582961.
169285293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 36505764 + 132779529 = 6042^2 + 11523^2 .
It is not a de Polignac number, because 169285293 - 25 = 169285261 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169285297) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23433 + ... + 29793.
It is an arithmetic number, because the mean of its divisors is an integer number (20387029).
Almost surely, 2169285293 is an apocalyptic number.
It is an amenable number.
169285293 is a deficient number, since it is larger than the sum of its proper divisors (75359055).
169285293 is a wasteful number, since it uses less digits than its factorization.
169285293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9324 (or 9321 counting only the distinct ones).
The product of its digits is 233280, while the sum is 45.
The square root of 169285293 is about 13010.9681807312. The cubic root of 169285293 is about 553.1884150983.
The spelling of 169285293 in words is "one hundred sixty-nine million, two hundred eighty-five thousand, two hundred ninety-three".
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