Base | Representation |
---|---|
bin | 110110110101… |
… | …0011011011010 |
3 | 2000002112010120 |
4 | 1231222123122 |
5 | 24324404412 |
6 | 2504054110 |
7 | 466230621 |
oct | 155523332 |
9 | 60075116 |
10 | 28747482 |
11 | 15255455 |
12 | 9764336 |
13 | 5c56b5a |
14 | 3b646b8 |
15 | 27ccb8c |
hex | 1b6a6da |
28747482 has 8 divisors (see below), whose sum is σ = 57494976. Its totient is φ = 9582492.
The previous prime is 28747471. The next prime is 28747487. The reversal of 28747482 is 28474782.
It is a sphenic number, since it is the product of 3 distinct primes.
28747482 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (28747487) 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, 2395618 + ... + 2395629.
It is an arithmetic number, because the mean of its divisors is an integer number (7186872).
Almost surely, 228747482 is an apocalyptic number.
28747482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28747482 is a wasteful number, since it uses less digits than its factorization.
28747482 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4791252.
The product of its digits is 200704, while the sum is 42.
The square root of 28747482 is about 5361.6678375297. The cubic root of 28747482 is about 306.3373399647.
The spelling of 28747482 in words is "twenty-eight million, seven hundred forty-seven thousand, four hundred eighty-two".
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