Base | Representation |
---|---|
bin | 110110111111… |
… | …1010101100011 |
3 | 2000020212121110 |
4 | 1231333111203 |
5 | 24340124443 |
6 | 2505554403 |
7 | 500035404 |
oct | 155772543 |
9 | 60225543 |
10 | 28833123 |
11 | 15303830 |
12 | 97a5a03 |
13 | 5c86b27 |
14 | 3b879ab |
15 | 27e8233 |
hex | 1b7f563 |
28833123 has 24 divisors (see below), whose sum is σ = 42831936. Its totient is φ = 17110000.
The previous prime is 28833109. The next prime is 28833151. The reversal of 28833123 is 32133882.
It is not a de Polignac number, because 28833123 - 29 = 28832611 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28833023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114748 + ... + 114998.
It is an arithmetic number, because the mean of its divisors is an integer number (1784664).
Almost surely, 228833123 is an apocalyptic number.
28833123 is a deficient number, since it is larger than the sum of its proper divisors (13998813).
28833123 is a wasteful number, since it uses less digits than its factorization.
28833123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383 (or 324 counting only the distinct ones).
The product of its digits is 6912, while the sum is 30.
The square root of 28833123 is about 5369.6483125061. The cubic root of 28833123 is about 306.6412393589.
It can be divided in two parts, 2883 and 3123, that added together give a palindrome (6006).
The spelling of 28833123 in words is "twenty-eight million, eight hundred thirty-three thousand, one hundred twenty-three".
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