Base | Representation |
---|---|
bin | 110111001110… |
… | …1001111110011 |
3 | 2000111002122221 |
4 | 1232131033303 |
5 | 24403040020 |
6 | 2512341511 |
7 | 501055522 |
oct | 156351763 |
9 | 60432587 |
10 | 28955635 |
11 | 15387885 |
12 | 9844897 |
13 | 5cca817 |
14 | 3bba4b9 |
15 | 281e6aa |
hex | 1b9d3f3 |
28955635 has 16 divisors (see below), whose sum is σ = 35888832. Its totient is φ = 22412800.
The previous prime is 28955627. The next prime is 28955657. The reversal of 28955635 is 53655982.
It is not a de Polignac number, because 28955635 - 23 = 28955627 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28955591 and 28955600.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27570 + ... + 28600.
It is an arithmetic number, because the mean of its divisors is an integer number (2243052).
Almost surely, 228955635 is an apocalyptic number.
28955635 is a deficient number, since it is larger than the sum of its proper divisors (6933197).
28955635 is a wasteful number, since it uses less digits than its factorization.
28955635 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1214.
The product of its digits is 324000, while the sum is 43.
The square root of 28955635 is about 5381.0440436778. The cubic root of 28955635 is about 307.0749321065.
The spelling of 28955635 in words is "twenty-eight million, nine hundred fifty-five thousand, six hundred thirty-five".
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