Base | Representation |
---|---|
bin | 110001111011… |
… | …110101110101 |
3 | 220122001022221 |
4 | 301323311311 |
5 | 11322341130 |
6 | 1144322341 |
7 | 216156514 |
oct | 61736565 |
9 | 26561287 |
10 | 13090165 |
11 | 7430920 |
12 | 44733b1 |
13 | 293427a |
14 | 1a4a67b |
15 | 123887a |
hex | c7bd75 |
13090165 has 24 divisors (see below), whose sum is σ = 17810208. Its totient is φ = 9159360.
The previous prime is 13090163. The next prime is 13090169. The reversal of 13090165 is 56109031.
It is not a de Polignac number, because 13090165 - 21 = 13090163 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13090163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46114 + ... + 46396.
It is an arithmetic number, because the mean of its divisors is an integer number (742092).
Almost surely, 213090165 is an apocalyptic number.
It is an amenable number.
13090165 is a deficient number, since it is larger than the sum of its proper divisors (4720043).
13090165 is a wasteful number, since it uses less digits than its factorization.
13090165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357 (or 328 counting only the distinct ones).
The product of its (nonzero) digits is 810, while the sum is 25.
The square root of 13090165 is about 3618.0333055405. The cubic root of 13090165 is about 235.6758272994.
Adding to 13090165 its reverse (56109031), we get a palindrome (69199196).
The spelling of 13090165 in words is "thirteen million, ninety thousand, one hundred sixty-five".
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