Base | Representation |
---|---|
bin | 110110111111… |
… | …1011111100001 |
3 | 2000020220111002 |
4 | 1231333133201 |
5 | 24340140021 |
6 | 2510001345 |
7 | 500040305 |
oct | 155773741 |
9 | 60226432 |
10 | 28833761 |
11 | 15304260 |
12 | 97a6255 |
13 | 5c871c8 |
14 | 3b87d05 |
15 | 27e850b |
hex | 1b7f7e1 |
28833761 has 8 divisors (see below), whose sum is σ = 31571904. Its totient is φ = 26115120.
The previous prime is 28833757. The next prime is 28833769. The reversal of 28833761 is 16733882.
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 28833761 - 22 = 28833757 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (28833769) 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, 1685 + ... + 7778.
It is an arithmetic number, because the mean of its divisors is an integer number (3946488).
Almost surely, 228833761 is an apocalyptic number.
It is an amenable number.
28833761 is a deficient number, since it is larger than the sum of its proper divisors (2738143).
28833761 is a wasteful number, since it uses less digits than its factorization.
28833761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9751.
The product of its digits is 48384, while the sum is 38.
The square root of 28833761 is about 5369.7077201650. The cubic root of 28833761 is about 306.6435010594.
The spelling of 28833761 in words is "twenty-eight million, eight hundred thirty-three thousand, seven hundred sixty-one".
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