Base | Representation |
---|---|
bin | 110111000111… |
… | …0110101010101 |
3 | 2000101002200100 |
4 | 1232032311111 |
5 | 24344142342 |
6 | 2511204313 |
7 | 500421432 |
oct | 156166525 |
9 | 60332610 |
10 | 28896597 |
11 | 15347494 |
12 | 9816699 |
13 | 5ca99a2 |
14 | 3ba2b89 |
15 | 280be4c |
hex | 1b8ed55 |
28896597 has 12 divisors (see below), whose sum is σ = 41820064. Its totient is φ = 19227240.
The previous prime is 28896589. The next prime is 28896641. The reversal of 28896597 is 79569882.
It is a happy number.
It is not a de Polignac number, because 28896597 - 23 = 28896589 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28896577) 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, 2328 + ... + 7950.
Almost surely, 228896597 is an apocalyptic number.
It is an amenable number.
28896597 is a deficient number, since it is larger than the sum of its proper divisors (12923467).
28896597 is a wasteful number, since it uses less digits than its factorization.
28896597 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6200 (or 6197 counting only the distinct ones).
The product of its digits is 2177280, while the sum is 54.
The square root of 28896597 is about 5375.5555061779. Note that the first 4 decimals coincide. The cubic root of 28896597 is about 306.8660904881.
The spelling of 28896597 in words is "twenty-eight million, eight hundred ninety-six thousand, five hundred ninety-seven".
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