Base | Representation |
---|---|
bin | 110111000111… |
… | …0011100111001 |
3 | 2000101000112102 |
4 | 1232032130321 |
5 | 24344120113 |
6 | 2511153145 |
7 | 500414036 |
oct | 156163471 |
9 | 60330472 |
10 | 28895033 |
11 | 153462a2 |
12 | 98157b5 |
13 | 5ca906b |
14 | 3ba238d |
15 | 280b758 |
hex | 1b8e739 |
28895033 has 2 divisors, whose sum is σ = 28895034. Its totient is φ = 28895032.
The previous prime is 28895003. The next prime is 28895047. The reversal of 28895033 is 33059882.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17952169 + 10942864 = 4237^2 + 3308^2 .
It is a cyclic number.
It is not a de Polignac number, because 28895033 - 28 = 28894777 is a prime.
It is not a weakly prime, because it can be changed into another prime (28895003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14447516 + 14447517.
It is an arithmetic number, because the mean of its divisors is an integer number (14447517).
Almost surely, 228895033 is an apocalyptic number.
It is an amenable number.
28895033 is a deficient number, since it is larger than the sum of its proper divisors (1).
28895033 is an equidigital number, since it uses as much as digits as its factorization.
28895033 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 51840, while the sum is 38.
The square root of 28895033 is about 5375.4100308721. The cubic root of 28895033 is about 306.8605541128.
The spelling of 28895033 in words is "twenty-eight million, eight hundred ninety-five thousand, thirty-three".
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