Base | Representation |
---|---|
bin | 10111100011010… |
… | …110010010001011 |
3 | 1000112112022022101 |
4 | 113203112102023 |
5 | 1302124023113 |
6 | 103113134231 |
7 | 12535440214 |
oct | 2743262213 |
9 | 1015468271 |
10 | 395142283 |
11 | 193058278 |
12 | b03ba377 |
13 | 63b30503 |
14 | 3a69c40b |
15 | 24a542dd |
hex | 178d648b |
395142283 has 2 divisors, whose sum is σ = 395142284. Its totient is φ = 395142282.
The previous prime is 395142263. The next prime is 395142287. The reversal of 395142283 is 382241593.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 395142283 - 221 = 393045131 is a prime.
It is a super-2 number, since 2×3951422832 = 312274847628904178, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (395142287) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197571141 + 197571142.
It is an arithmetic number, because the mean of its divisors is an integer number (197571142).
Almost surely, 2395142283 is an apocalyptic number.
395142283 is a deficient number, since it is larger than the sum of its proper divisors (1).
395142283 is an equidigital number, since it uses as much as digits as its factorization.
395142283 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 51840, while the sum is 37.
The square root of 395142283 is about 19878.1861094014. The cubic root of 395142283 is about 733.8114797471.
The spelling of 395142283 in words is "three hundred ninety-five million, one hundred forty-two thousand, two hundred eighty-three".
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