Base | Representation |
---|---|
bin | 110000000101111… |
… | …110110101110101 |
3 | 2002020021110201012 |
4 | 300011332311311 |
5 | 3123024440420 |
6 | 212022042005 |
7 | 25665214514 |
oct | 6005766565 |
9 | 2066243635 |
10 | 806874485 |
11 | 38450681a |
12 | 1a6279305 |
13 | cb21bc31 |
14 | 7923867b |
15 | 4ac83dc5 |
hex | 3017ed75 |
806874485 has 16 divisors (see below), whose sum is σ = 1032102000. Its totient is φ = 603442176.
The previous prime is 806874473. The next prime is 806874487. The reversal of 806874485 is 584478608.
It can be written as a sum of positive squares in 8 ways, for example, as 113763556 + 693110929 = 10666^2 + 26327^2 .
It is a cyclic number.
It is not a de Polignac number, because 806874485 - 216 = 806808949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (806874487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19190 + ... + 44519.
It is an arithmetic number, because the mean of its divisors is an integer number (64506375).
Almost surely, 2806874485 is an apocalyptic number.
806874485 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
806874485 is a deficient number, since it is larger than the sum of its proper divisors (225227515).
806874485 is a wasteful number, since it uses less digits than its factorization.
806874485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63880.
The product of its (nonzero) digits is 1720320, while the sum is 50.
The square root of 806874485 is about 28405.5361681486. The cubic root of 806874485 is about 930.9692307936.
The spelling of 806874485 in words is "eight hundred six million, eight hundred seventy-four thousand, four hundred eighty-five".
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