Base | Representation |
---|---|
bin | 110101101001… |
… | …1000011010001 |
3 | 1221221000121002 |
4 | 1223103003101 |
5 | 24200034231 |
6 | 2442511345 |
7 | 461036126 |
oct | 153230321 |
9 | 57830532 |
10 | 28127441 |
11 | 14971621 |
12 | 9505555 |
13 | 5a9a874 |
14 | 3a4274d |
15 | 27090cb |
hex | 1ad30d1 |
28127441 has 2 divisors, whose sum is σ = 28127442. Its totient is φ = 28127440.
The previous prime is 28127417. The next prime is 28127453. The reversal of 28127441 is 14472182.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14592400 + 13535041 = 3820^2 + 3679^2 .
It is a cyclic number.
It is not a de Polignac number, because 28127441 - 218 = 27865297 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (28127641) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14063720 + 14063721.
It is an arithmetic number, because the mean of its divisors is an integer number (14063721).
Almost surely, 228127441 is an apocalyptic number.
It is an amenable number.
28127441 is a deficient number, since it is larger than the sum of its proper divisors (1).
28127441 is an equidigital number, since it uses as much as digits as its factorization.
28127441 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3584, while the sum is 29.
The square root of 28127441 is about 5303.5309935929. The cubic root of 28127441 is about 304.1188975420.
The spelling of 28127441 in words is "twenty-eight million, one hundred twenty-seven thousand, four hundred forty-one".
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