Base | Representation |
---|---|
bin | 110110111111… |
… | …0110010111110 |
3 | 2000020202120111 |
4 | 1231332302332 |
5 | 24340042120 |
6 | 2505540234 |
7 | 500026063 |
oct | 155766276 |
9 | 60222514 |
10 | 28830910 |
11 | 153020a9 |
12 | 97a467a |
13 | 5c85b14 |
14 | 3b86c6a |
15 | 27e775a |
hex | 1b7ecbe |
28830910 has 8 divisors (see below), whose sum is σ = 51895656. Its totient is φ = 11532360.
The previous prime is 28830889. The next prime is 28830911. The reversal of 28830910 is 1903882.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28830911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441536 + ... + 1441555.
It is an arithmetic number, because the mean of its divisors is an integer number (6486957).
Almost surely, 228830910 is an apocalyptic number.
28830910 is a deficient number, since it is larger than the sum of its proper divisors (23064746).
28830910 is a wasteful number, since it uses less digits than its factorization.
28830910 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2883098.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 28830910 is about 5369.4422429150. The cubic root of 28830910 is about 306.6333940482.
The spelling of 28830910 in words is "twenty-eight million, eight hundred thirty thousand, nine hundred ten".
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