Base | Representation |
---|---|
bin | 11011010000101… |
… | …10100101101001 |
3 | 120221022020212000 |
4 | 31220112211221 |
5 | 432020311324 |
6 | 34405241213 |
7 | 5444523426 |
oct | 1550264551 |
9 | 527266760 |
10 | 228682089 |
11 | 1080a3269 |
12 | 64703209 |
13 | 384ba45c |
14 | 2252ad4d |
15 | 151229c9 |
hex | da16969 |
228682089 has 16 divisors (see below), whose sum is σ = 347946240. Its totient is φ = 148333680.
The previous prime is 228682087. The next prime is 228682093. The reversal of 228682089 is 980286822.
228682089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 228682089 - 21 = 228682087 is a prime.
It is not an unprimeable number, because it can be changed into a prime (228682087) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113457 + ... + 115454.
It is an arithmetic number, because the mean of its divisors is an integer number (21746640).
Almost surely, 2228682089 is an apocalyptic number.
It is an amenable number.
228682089 is a deficient number, since it is larger than the sum of its proper divisors (119264151).
228682089 is a wasteful number, since it uses less digits than its factorization.
228682089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228957 (or 228951 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 228682089 is about 15122.2382271938. The cubic root of 228682089 is about 611.5200726075.
The spelling of 228682089 in words is "two hundred twenty-eight million, six hundred eighty-two thousand, eighty-nine".
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