Base | Representation |
---|---|
bin | 110110110110… |
… | …0000100110110 |
3 | 2000002212101111 |
4 | 1231230010312 |
5 | 24330113410 |
6 | 2504145234 |
7 | 466256401 |
oct | 155540466 |
9 | 60085344 |
10 | 28754230 |
11 | 1525a52a |
12 | 976821a |
13 | 5c59c4b |
14 | 3b66d38 |
15 | 27ceb8a |
hex | 1b6c136 |
28754230 has 8 divisors (see below), whose sum is σ = 51757632. Its totient is φ = 11501688.
The previous prime is 28754213. The next prime is 28754233. The reversal of 28754230 is 3245782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 28754192 and 28754201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28754233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437702 + ... + 1437721.
It is an arithmetic number, because the mean of its divisors is an integer number (6469704).
Almost surely, 228754230 is an apocalyptic number.
28754230 is a deficient number, since it is larger than the sum of its proper divisors (23003402).
28754230 is a wasteful number, since it uses less digits than its factorization.
28754230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2875430.
The product of its (nonzero) digits is 13440, while the sum is 31.
The square root of 28754230 is about 5362.2970824079. The cubic root of 28754230 is about 306.3613073119.
The spelling of 28754230 in words is "twenty-eight million, seven hundred fifty-four thousand, two hundred thirty".
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