Base | Representation |
---|---|
bin | 11011001110100… |
… | …00100010101001 |
3 | 120220202200021122 |
4 | 31213100202221 |
5 | 431432121202 |
6 | 34355145025 |
7 | 5442220103 |
oct | 1547204251 |
9 | 526680248 |
10 | 228395177 |
11 | 107a1774a |
12 | 645a5175 |
13 | 3841999a |
14 | 22494573 |
15 | 150b79a2 |
hex | d9d08a9 |
228395177 has 2 divisors, whose sum is σ = 228395178. Its totient is φ = 228395176.
The previous prime is 228395171. The next prime is 228395183. The reversal of 228395177 is 771593822.
It is a balanced prime because it is at equal distance from previous prime (228395171) and next prime (228395183).
It can be written as a sum of positive squares in only one way, i.e., 223681936 + 4713241 = 14956^2 + 2171^2 .
It is a cyclic number.
It is not a de Polignac number, because 228395177 - 26 = 228395113 is a prime.
It is a super-2 number, since 2×2283951772 = 104328713753722658, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (228395171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114197588 + 114197589.
It is an arithmetic number, because the mean of its divisors is an integer number (114197589).
Almost surely, 2228395177 is an apocalyptic number.
It is an amenable number.
228395177 is a deficient number, since it is larger than the sum of its proper divisors (1).
228395177 is an equidigital number, since it uses as much as digits as its factorization.
228395177 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 211680, while the sum is 44.
The square root of 228395177 is about 15112.7488234272. The cubic root of 228395177 is about 611.2642212417.
The spelling of 228395177 in words is "two hundred twenty-eight million, three hundred ninety-five thousand, one hundred seventy-seven".
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