Base | Representation |
---|---|
bin | 110110110101… |
… | …0000101110101 |
3 | 2000002110020102 |
4 | 1231222011311 |
5 | 24324333401 |
6 | 2504043445 |
7 | 466223606 |
oct | 155520565 |
9 | 60073212 |
10 | 28746101 |
11 | 1525440a |
12 | 9763585 |
13 | 5c56337 |
14 | 3b63dad |
15 | 27cc56b |
hex | 1b6a175 |
28746101 has 2 divisors, whose sum is σ = 28746102. Its totient is φ = 28746100.
The previous prime is 28746089. The next prime is 28746103. The reversal of 28746101 is 10164782.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25502500 + 3243601 = 5050^2 + 1801^2 .
It is a cyclic number.
It is not a de Polignac number, because 28746101 - 26 = 28746037 is a prime.
Together with 28746103, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28746103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373050 + 14373051.
It is an arithmetic number, because the mean of its divisors is an integer number (14373051).
Almost surely, 228746101 is an apocalyptic number.
It is an amenable number.
28746101 is a deficient number, since it is larger than the sum of its proper divisors (1).
28746101 is an equidigital number, since it uses as much as digits as its factorization.
28746101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 28746101 is about 5361.5390514292. The cubic root of 28746101 is about 306.3324345074.
The spelling of 28746101 in words is "twenty-eight million, seven hundred forty-six thousand, one hundred one".
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