Base | Representation |
---|---|
bin | 110111000001… |
… | …0111111000111 |
3 | 2000021122010002 |
4 | 1232002333013 |
5 | 24341114241 |
6 | 2510151515 |
7 | 500130110 |
oct | 156027707 |
9 | 60248102 |
10 | 28848071 |
11 | 15313a8a |
12 | 97b259b |
13 | 5c90885 |
14 | 3b8d207 |
15 | 27ec89b |
hex | 1b82fc7 |
28848071 has 4 divisors (see below), whose sum is σ = 32969232. Its totient is φ = 24726912.
The previous prime is 28848041. The next prime is 28848107. The reversal of 28848071 is 17084882.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 28848071 - 214 = 28831687 is a prime.
It is a super-2 number, since 2×288480712 = 1664422400842082, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28848041) 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, 2060570 + ... + 2060583.
It is an arithmetic number, because the mean of its divisors is an integer number (8242308).
Almost surely, 228848071 is an apocalyptic number.
28848071 is a deficient number, since it is larger than the sum of its proper divisors (4121161).
28848071 is an equidigital number, since it uses as much as digits as its factorization.
28848071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4121160.
The product of its (nonzero) digits is 28672, while the sum is 38.
The square root of 28848071 is about 5371.0400296404. The cubic root of 28848071 is about 306.6942210328.
The spelling of 28848071 in words is "twenty-eight million, eight hundred forty-eight thousand, seventy-one".
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