Base | Representation |
---|---|
bin | 110110101001… |
… | …0001011110111 |
3 | 1222220110220211 |
4 | 1231102023313 |
5 | 24313220213 |
6 | 2502010251 |
7 | 465335254 |
oct | 155221367 |
9 | 58813824 |
10 | 28648183 |
11 | 15197893 |
12 | 9716987 |
13 | 5c208b5 |
14 | 3b3a42b |
15 | 27ad53d |
hex | 1b522f7 |
28648183 has 2 divisors, whose sum is σ = 28648184. Its totient is φ = 28648182.
The previous prime is 28648177. The next prime is 28648187. The reversal of 28648183 is 38184682.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28648183 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28648187) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14324091 + 14324092.
It is an arithmetic number, because the mean of its divisors is an integer number (14324092).
Almost surely, 228648183 is an apocalyptic number.
28648183 is a deficient number, since it is larger than the sum of its proper divisors (1).
28648183 is an equidigital number, since it uses as much as digits as its factorization.
28648183 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 73728, while the sum is 40.
The square root of 28648183 is about 5352.3997421717. The cubic root of 28648183 is about 305.9842182186.
The spelling of 28648183 in words is "twenty-eight million, six hundred forty-eight thousand, one hundred eighty-three".
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