Base | Representation |
---|---|
bin | 11011001011100… |
… | …00010010001111 |
3 | 120220000122110012 |
4 | 31211300102033 |
5 | 431332012121 |
6 | 34342503435 |
7 | 5435655455 |
oct | 1545602217 |
9 | 526018405 |
10 | 228000911 |
11 | 107778506 |
12 | 64434b7b |
13 | 3830c3a8 |
14 | 223d09d5 |
15 | 1503ac5b |
hex | d97048f |
228000911 has 2 divisors, whose sum is σ = 228000912. Its totient is φ = 228000910.
The previous prime is 228000887. The next prime is 228000937. The reversal of 228000911 is 119000822.
228000911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 228000911 - 26 = 228000847 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228000961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000455 + 114000456.
It is an arithmetic number, because the mean of its divisors is an integer number (114000456).
Almost surely, 2228000911 is an apocalyptic number.
228000911 is a deficient number, since it is larger than the sum of its proper divisors (1).
228000911 is an equidigital number, since it uses as much as digits as its factorization.
228000911 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 23.
The square root of 228000911 is about 15099.6990367358. The cubic root of 228000911 is about 610.9122880834.
The spelling of 228000911 in words is "two hundred twenty-eight million, nine hundred eleven", and thus it is an aban number.
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