Base | Representation |
---|---|
bin | 110111000111… |
… | …1000000111101 |
3 | 2000101010200220 |
4 | 1232033000331 |
5 | 24344203331 |
6 | 2511211553 |
7 | 500423544 |
oct | 156170075 |
9 | 60333626 |
10 | 28897341 |
11 | 15348000 |
12 | 9816bb9 |
13 | 5caa125 |
14 | 3ba315b |
15 | 280c296 |
hex | 1b8f03d |
28897341 has 16 divisors (see below), whose sum is σ = 42385728. Its totient is φ = 17511120.
The previous prime is 28897313. The next prime is 28897343. The reversal of 28897341 is 14379882.
It is not a de Polignac number, because 28897341 - 210 = 28896317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28897293 and 28897302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28897343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375 + ... + 7611.
It is an arithmetic number, because the mean of its divisors is an integer number (2649108).
Almost surely, 228897341 is an apocalyptic number.
It is an amenable number.
28897341 is a deficient number, since it is larger than the sum of its proper divisors (13488387).
28897341 is an equidigital number, since it uses as much as digits as its factorization.
28897341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7273 (or 7251 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 28897341 is about 5375.6247078828. The cubic root of 28897341 is about 306.8687240902.
The spelling of 28897341 in words is "twenty-eight million, eight hundred ninety-seven thousand, three hundred forty-one".
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