Base | Representation |
---|---|
bin | 111000011010011 |
3 | 1110121202 |
4 | 13003103 |
5 | 1411013 |
6 | 341415 |
7 | 150131 |
oct | 70323 |
9 | 43552 |
10 | 28883 |
11 | 1a778 |
12 | 1486b |
13 | 101ba |
14 | a751 |
15 | 8858 |
hex | 70d3 |
28883 has 4 divisors (see below), whose sum is σ = 30600. Its totient is φ = 27168.
The previous prime is 28879. The next prime is 28901. The reversal of 28883 is 38882.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38882 = 2 ⋅19441.
It is a cyclic number.
It is not a de Polignac number, because 28883 - 22 = 28879 is a prime.
It is a nialpdrome in base 14.
It is not an unprimeable number, because it can be changed into a prime (28813) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833 + ... + 866.
It is an arithmetic number, because the mean of its divisors is an integer number (7650).
228883 is an apocalyptic number.
28883 is a deficient number, since it is larger than the sum of its proper divisors (1717).
28883 is a wasteful number, since it uses less digits than its factorization.
28883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1716.
The product of its digits is 3072, while the sum is 29.
The square root of 28883 is about 169.9499926449. The cubic root of 28883 is about 30.6817952030.
Subtracting 28883 from its reverse (38882), we obtain a palindrome (9999).
It can be divided in two parts, 2 and 8883, that multiplied together give a triangular number (17766 = T188).
The spelling of 28883 in words is "twenty-eight thousand, eight hundred eighty-three".
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