Base | Representation |
---|---|
bin | 110110000010… |
… | …0001101100110 |
3 | 1222022020211001 |
4 | 1230010031212 |
5 | 24223010211 |
6 | 2451103514 |
7 | 462535162 |
oct | 154041546 |
9 | 58266731 |
10 | 28328806 |
11 | 14a99940 |
12 | 95a1b9a |
13 | 5b3b40c |
14 | 3a95ca2 |
15 | 2748ac1 |
hex | 1b04366 |
28328806 has 16 divisors (see below), whose sum is σ = 47050560. Its totient is φ = 12683880.
The previous prime is 28328779. The next prime is 28328809. The reversal of 28328806 is 60882382.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28328809) 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, 8136 + ... + 11083.
It is an arithmetic number, because the mean of its divisors is an integer number (2940660).
Almost surely, 228328806 is an apocalyptic number.
28328806 is a deficient number, since it is larger than the sum of its proper divisors (18721754).
28328806 is a wasteful number, since it uses less digits than its factorization.
28328806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19299.
The product of its (nonzero) digits is 36864, while the sum is 37.
The square root of 28328806 is about 5322.4811883181. The cubic root of 28328806 is about 304.8429039593.
The spelling of 28328806 in words is "twenty-eight million, three hundred twenty-eight thousand, eight hundred six".
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