Base | Representation |
---|---|
bin | 11001001101000… |
… | …111100001011101 |
3 | 1002110200222022222 |
4 | 121031013201131 |
5 | 1331223302320 |
6 | 105543315125 |
7 | 13323220322 |
oct | 3115074135 |
9 | 1073628288 |
10 | 422869085 |
11 | 1a7775891 |
12 | b974baa5 |
13 | 697ba8c2 |
14 | 40238b49 |
15 | 271ce825 |
hex | 1934785d |
422869085 has 8 divisors (see below), whose sum is σ = 509418936. Its totient is φ = 336977920.
The previous prime is 422869081. The next prime is 422869103. The reversal of 422869085 is 580968224.
It can be written as a sum of positive squares in 4 ways, for example, as 33477796 + 389391289 = 5786^2 + 19733^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 422869085 - 22 = 422869081 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (422869081) 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, 163256 + ... + 165825.
It is an arithmetic number, because the mean of its divisors is an integer number (63677367).
Almost surely, 2422869085 is an apocalyptic number.
It is an amenable number.
422869085 is a deficient number, since it is larger than the sum of its proper divisors (86549851).
422869085 is a wasteful number, since it uses less digits than its factorization.
422869085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329343.
The product of its (nonzero) digits is 276480, while the sum is 44.
The square root of 422869085 is about 20563.7809023535. The cubic root of 422869085 is about 750.5886253135.
The spelling of 422869085 in words is "four hundred twenty-two million, eight hundred sixty-nine thousand, eighty-five".
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