Base | Representation |
---|---|
bin | 110101100000… |
… | …0010000011101 |
3 | 1221210002222222 |
4 | 1223000100131 |
5 | 24140103321 |
6 | 2441115125 |
7 | 460265525 |
oct | 153002035 |
9 | 57702888 |
10 | 28050461 |
11 | 149197aa |
12 | 9488aa5 |
13 | 5a7180a |
14 | 3a22685 |
15 | 26e13ab |
hex | 1ac041d |
28050461 has 2 divisors, whose sum is σ = 28050462. Its totient is φ = 28050460.
The previous prime is 28050433. The next prime is 28050487. The reversal of 28050461 is 16405082.
It is an a-pointer prime, because the next prime (28050487) can be obtained adding 28050461 to its sum of digits (26).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 28026436 + 24025 = 5294^2 + 155^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28050461 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 28050461.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28050161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14025230 + 14025231.
It is an arithmetic number, because the mean of its divisors is an integer number (14025231).
Almost surely, 228050461 is an apocalyptic number.
It is an amenable number.
28050461 is a deficient number, since it is larger than the sum of its proper divisors (1).
28050461 is an equidigital number, since it uses as much as digits as its factorization.
28050461 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1920, while the sum is 26.
The square root of 28050461 is about 5296.2685921316. The cubic root of 28050461 is about 303.8412035677.
The spelling of 28050461 in words is "twenty-eight million, fifty thousand, four hundred sixty-one".
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