Base | Representation |
---|---|
bin | 110000000011100… |
… | …000010001101101 |
3 | 2002012001110210101 |
4 | 300003200101231 |
5 | 3122343200010 |
6 | 212000111101 |
7 | 25656541135 |
oct | 6003402155 |
9 | 2065043711 |
10 | 806225005 |
11 | 384102863 |
12 | 1a6005491 |
13 | cb052421 |
14 | 79109ac5 |
15 | 4aba673a |
hex | 300e046d |
806225005 has 32 divisors (see below), whose sum is σ = 1050514560. Its totient is φ = 591909120.
The previous prime is 806224997. The next prime is 806225023. The reversal of 806225005 is 500522608.
It is not a de Polignac number, because 806225005 - 23 = 806224997 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1219375 + ... + 1220035.
It is an arithmetic number, because the mean of its divisors is an integer number (32828580).
Almost surely, 2806225005 is an apocalyptic number.
It is an amenable number.
806225005 is a deficient number, since it is larger than the sum of its proper divisors (244289555).
806225005 is a wasteful number, since it uses less digits than its factorization.
806225005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 806225005 is about 28394.1015881820. The cubic root of 806225005 is about 930.7193744186.
The spelling of 806225005 in words is "eight hundred six million, two hundred twenty-five thousand, five".
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