Base | Representation |
---|---|
bin | 10111100100011… |
… | …100100110001101 |
3 | 1000120001221101010 |
4 | 113210130212031 |
5 | 1302212232120 |
6 | 103123235433 |
7 | 12541046655 |
oct | 2744344615 |
9 | 1016057333 |
10 | 395430285 |
11 | 193234698 |
12 | b0518b79 |
13 | 63c01623 |
14 | 3a735365 |
15 | 24aae7e0 |
hex | 1791c98d |
395430285 has 32 divisors (see below), whose sum is σ = 688027392. Its totient is φ = 193121280.
The previous prime is 395430253. The next prime is 395430289. The reversal of 395430285 is 582034593.
It is not a de Polignac number, because 395430285 - 25 = 395430253 is a prime.
It is a super-2 number, since 2×3954302852 = 312730220590362450, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (395430289) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11521 + ... + 30390.
It is an arithmetic number, because the mean of its divisors is an integer number (21500856).
Almost surely, 2395430285 is an apocalyptic number.
It is an amenable number.
395430285 is a deficient number, since it is larger than the sum of its proper divisors (292597107).
395430285 is a wasteful number, since it uses less digits than its factorization.
395430285 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41973.
The product of its (nonzero) digits is 129600, while the sum is 39.
The square root of 395430285 is about 19885.4289619309. The cubic root of 395430285 is about 733.9897175265.
The spelling of 395430285 in words is "three hundred ninety-five million, four hundred thirty thousand, two hundred eighty-five".
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