Base | Representation |
---|---|
bin | 110101110000… |
… | …0110100010100 |
3 | 1222000212221111 |
4 | 1223200310110 |
5 | 24203340303 |
6 | 2444024404 |
7 | 461362411 |
oct | 153406424 |
9 | 58025844 |
10 | 28183828 |
11 | 149aaa22 |
12 | 9532104 |
13 | 5aba42a |
14 | 3a59108 |
15 | 271ab6d |
hex | 1ae0d14 |
28183828 has 24 divisors (see below), whose sum is σ = 50450400. Its totient is φ = 13772448.
The previous prime is 28183823. The next prime is 28183829. The reversal of 28183828 is 82838182.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28183823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72258 + ... + 72646.
It is an arithmetic number, because the mean of its divisors is an integer number (2102100).
Almost surely, 228183828 is an apocalyptic number.
It is an amenable number.
28183828 is a deficient number, since it is larger than the sum of its proper divisors (22266572).
28183828 is a wasteful number, since it uses less digits than its factorization.
28183828 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 759 (or 757 counting only the distinct ones).
The product of its digits is 49152, while the sum is 40.
The square root of 28183828 is about 5308.8443186818. The cubic root of 28183828 is about 304.3219839862.
The spelling of 28183828 in words is "twenty-eight million, one hundred eighty-three thousand, eight hundred twenty-eight".
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