Base | Representation |
---|---|
bin | 110111000111… |
… | …0100011100101 |
3 | 2000101001010021 |
4 | 1232032203211 |
5 | 24344123321 |
6 | 2511155141 |
7 | 500415220 |
oct | 156164345 |
9 | 60331107 |
10 | 28895461 |
11 | 15346651 |
12 | 9815ab1 |
13 | 5ca930a |
14 | 3ba25b7 |
15 | 280b941 |
hex | 1b8e8e5 |
28895461 has 8 divisors (see below), whose sum is σ = 34966080. Its totient is φ = 23310528.
The previous prime is 28895453. The next prime is 28895473. The reversal of 28895461 is 16459882.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28895461 - 23 = 28895453 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 (28895401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121291 + ... + 121528.
It is an arithmetic number, because the mean of its divisors is an integer number (4370760).
Almost surely, 228895461 is an apocalyptic number.
It is an amenable number.
28895461 is a deficient number, since it is larger than the sum of its proper divisors (6070619).
28895461 is a wasteful number, since it uses less digits than its factorization.
28895461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242843.
The product of its digits is 138240, while the sum is 43.
The square root of 28895461 is about 5375.4498416412. The cubic root of 28895461 is about 306.8620692021.
The spelling of 28895461 in words is "twenty-eight million, eight hundred ninety-five thousand, four hundred sixty-one".
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