Base | Representation |
---|---|
bin | 110101111010… |
… | …1101100010101 |
3 | 1222012020020100 |
4 | 1223311230111 |
5 | 24214104313 |
6 | 2445524313 |
7 | 462166611 |
oct | 153655425 |
9 | 58166210 |
10 | 28269333 |
11 | 14a59194 |
12 | 9573699 |
13 | 5b1a321 |
14 | 3a7c341 |
15 | 2736173 |
hex | 1af5b15 |
28269333 has 12 divisors (see below), whose sum is σ = 40910688. Its totient is φ = 18810600.
The previous prime is 28269313. The next prime is 28269379. The reversal of 28269333 is 33396282.
It is not a de Polignac number, because 28269333 - 28 = 28269077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28269313) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2608 + ... + 7958.
It is an arithmetic number, because the mean of its divisors is an integer number (3409224).
Almost surely, 228269333 is an apocalyptic number.
It is an amenable number.
28269333 is a deficient number, since it is larger than the sum of its proper divisors (12641355).
28269333 is a wasteful number, since it uses less digits than its factorization.
28269333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5944 (or 5941 counting only the distinct ones).
The product of its digits is 46656, while the sum is 36.
The square root of 28269333 is about 5316.8912909707. The cubic root of 28269333 is about 304.6294272122.
It can be divided in two parts, 28 and 269333, that added together give a square (269361 = 5192).
The spelling of 28269333 in words is "twenty-eight million, two hundred sixty-nine thousand, three hundred thirty-three".
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