Base | Representation |
---|---|
bin | 11011001111001… |
… | …10000011101001 |
3 | 120220221011011122 |
4 | 31213212003221 |
5 | 431442431210 |
6 | 34401105025 |
7 | 5443035041 |
oct | 1547460351 |
9 | 526834148 |
10 | 228483305 |
11 | 107a77986 |
12 | 64628175 |
13 | 3844ab2b |
14 | 224b8721 |
15 | 150d3b55 |
hex | d9e60e9 |
228483305 has 8 divisors (see below), whose sum is σ = 276021000. Its totient is φ = 181559296.
The previous prime is 228483301. The next prime is 228483323. The reversal of 228483305 is 503384822.
It can be written as a sum of positive squares in 4 ways, for example, as 15936064 + 212547241 = 3992^2 + 14579^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 228483305 - 22 = 228483301 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (228483301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152600 + ... + 154089.
It is an arithmetic number, because the mean of its divisors is an integer number (34502625).
Almost surely, 2228483305 is an apocalyptic number.
It is an amenable number.
228483305 is a deficient number, since it is larger than the sum of its proper divisors (47537695).
228483305 is a wasteful number, since it uses less digits than its factorization.
228483305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 306843.
The product of its (nonzero) digits is 46080, while the sum is 35.
The square root of 228483305 is about 15115.6642262257. The cubic root of 228483305 is about 611.3428314337.
The spelling of 228483305 in words is "two hundred twenty-eight million, four hundred eighty-three thousand, three hundred five".
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