Base | Representation |
---|---|
bin | 110110101001… |
… | …0101010110101 |
3 | 1222220120122020 |
4 | 1231102222311 |
5 | 24313301130 |
6 | 2502023353 |
7 | 465344115 |
oct | 155225265 |
9 | 58816566 |
10 | 28650165 |
11 | 15199325 |
12 | 9717b59 |
13 | 5c2177b |
14 | 3b3b045 |
15 | 27ade10 |
hex | 1b52ab5 |
28650165 has 16 divisors (see below), whose sum is σ = 46296576. Its totient is φ = 15128000.
The previous prime is 28650137. The next prime is 28650199. The reversal of 28650165 is 56105682.
It is not a de Polignac number, because 28650165 - 26 = 28650101 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7941 + ... + 10970.
It is an arithmetic number, because the mean of its divisors is an integer number (2893536).
Almost surely, 228650165 is an apocalyptic number.
It is an amenable number.
28650165 is a deficient number, since it is larger than the sum of its proper divisors (17646411).
28650165 is a wasteful number, since it uses less digits than its factorization.
28650165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19020.
The product of its (nonzero) digits is 14400, while the sum is 33.
The square root of 28650165 is about 5352.5848895650. The cubic root of 28650165 is about 305.9912744746.
The spelling of 28650165 in words is "twenty-eight million, six hundred fifty thousand, one hundred sixty-five".
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