Base | Representation |
---|---|
bin | 11011001100111… |
… | …00111100111111 |
3 | 120220100221102111 |
4 | 31212130330333 |
5 | 431403340441 |
6 | 34350434451 |
7 | 5440350046 |
oct | 1546347477 |
9 | 526327374 |
10 | 228183871 |
11 | 107892a13 |
12 | 64502a27 |
13 | 38374756 |
14 | 2243b55d |
15 | 15075081 |
hex | d99cf3f |
228183871 has 2 divisors, whose sum is σ = 228183872. Its totient is φ = 228183870.
The previous prime is 228183853. The next prime is 228183883. The reversal of 228183871 is 178381822.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 228183871 - 211 = 228181823 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228183811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114091935 + 114091936.
It is an arithmetic number, because the mean of its divisors is an integer number (114091936).
Almost surely, 2228183871 is an apocalyptic number.
228183871 is a deficient number, since it is larger than the sum of its proper divisors (1).
228183871 is an equidigital number, since it uses as much as digits as its factorization.
228183871 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 43008, while the sum is 40.
The square root of 228183871 is about 15105.7562207259. The cubic root of 228183871 is about 611.0756538460.
The spelling of 228183871 in words is "two hundred twenty-eight million, one hundred eighty-three thousand, eight hundred seventy-one".
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