Base | Representation |
---|---|
bin | 11011010000101… |
… | …10000111101011 |
3 | 120221022011012222 |
4 | 31220112013223 |
5 | 432020231141 |
6 | 34405224255 |
7 | 5444515016 |
oct | 1550260753 |
9 | 527264188 |
10 | 228680171 |
11 | 1080a1885 |
12 | 6470208b |
13 | 384b9615 |
14 | 2252a37d |
15 | 1512214b |
hex | da161eb |
228680171 has 2 divisors, whose sum is σ = 228680172. Its totient is φ = 228680170.
The previous prime is 228680129. The next prime is 228680173. The reversal of 228680171 is 171086822.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 228680171 - 210 = 228679147 is a prime.
Together with 228680173, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (228680173) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114340085 + 114340086.
It is an arithmetic number, because the mean of its divisors is an integer number (114340086).
Almost surely, 2228680171 is an apocalyptic number.
228680171 is a deficient number, since it is larger than the sum of its proper divisors (1).
228680171 is an equidigital number, since it uses as much as digits as its factorization.
228680171 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10752, while the sum is 35.
The square root of 228680171 is about 15122.1748105225. The cubic root of 228680171 is about 611.5183629578.
The spelling of 228680171 in words is "two hundred twenty-eight million, six hundred eighty thousand, one hundred seventy-one".
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