Base | Representation |
---|---|
bin | 110111000001… |
… | …0001100011101 |
3 | 2000021110200000 |
4 | 1232002030131 |
5 | 24341013304 |
6 | 2510124513 |
7 | 500114466 |
oct | 156021435 |
9 | 60243600 |
10 | 28844829 |
11 | 15311602 |
12 | 97b0739 |
13 | 5c8c260 |
14 | 3b8bd6d |
15 | 27eb939 |
hex | 1b8231d |
28844829 has 48 divisors (see below), whose sum is σ = 48676992. Its totient is φ = 16936128.
The previous prime is 28844819. The next prime is 28844843. The reversal of 28844829 is 92844882.
It is a happy number.
It is not a de Polignac number, because 28844829 - 25 = 28844797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28844819) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72459 + ... + 72855.
It is an arithmetic number, because the mean of its divisors is an integer number (1014104).
Almost surely, 228844829 is an apocalyptic number.
It is an amenable number.
28844829 is a deficient number, since it is larger than the sum of its proper divisors (19832163).
28844829 is a wasteful number, since it uses less digits than its factorization.
28844829 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448 (or 436 counting only the distinct ones).
The product of its digits is 294912, while the sum is 45.
The square root of 28844829 is about 5370.7382174148. The cubic root of 28844829 is about 306.6827316463.
The spelling of 28844829 in words is "twenty-eight million, eight hundred forty-four thousand, eight hundred twenty-nine".
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