Base | Representation |
---|---|
bin | 110110101010… |
… | …0110111011011 |
3 | 1222221000222111 |
4 | 1231110313123 |
5 | 24314043123 |
6 | 2502133151 |
7 | 465412261 |
oct | 155246733 |
9 | 58830874 |
10 | 28659163 |
11 | 151a5065 |
12 | 97211b7 |
13 | 5c258b0 |
14 | 3b40431 |
15 | 27b190d |
hex | 1b54ddb |
28659163 has 16 divisors (see below), whose sum is σ = 33616800. Its totient is φ = 24192000.
The previous prime is 28659151. The next prime is 28659187. The reversal of 28659163 is 36195682.
It is a cyclic number.
It is not a de Polignac number, because 28659163 - 25 = 28659131 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28659193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5163 + ... + 9163.
It is an arithmetic number, because the mean of its divisors is an integer number (2101050).
Almost surely, 228659163 is an apocalyptic number.
28659163 is a deficient number, since it is larger than the sum of its proper divisors (4957637).
28659163 is a wasteful number, since it uses less digits than its factorization.
28659163 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4062.
The product of its digits is 77760, while the sum is 40.
The square root of 28659163 is about 5353.4253520526. The cubic root of 28659163 is about 306.0233047881.
The spelling of 28659163 in words is "twenty-eight million, six hundred fifty-nine thousand, one hundred sixty-three".
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