Base | Representation |
---|---|
bin | 110000001110000… |
… | …111110101100101 |
3 | 2002101021220000020 |
4 | 300032013311211 |
5 | 3124101232420 |
6 | 212135505353 |
7 | 26022313215 |
oct | 6016076545 |
9 | 2071256006 |
10 | 809008485 |
11 | 38573405a |
12 | 1a6b28259 |
13 | cb7b835c |
14 | 79632245 |
15 | 4b056340 |
hex | 30387d65 |
809008485 has 16 divisors (see below), whose sum is σ = 1307232000. Its totient is φ = 427198400.
The previous prime is 809008481. The next prime is 809008507. The reversal of 809008485 is 584800908.
809008485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 809008485 - 22 = 809008481 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (809008481) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265485 + ... + 268514.
It is an arithmetic number, because the mean of its divisors is an integer number (81702000).
Almost surely, 2809008485 is an apocalyptic number.
It is an amenable number.
809008485 is a deficient number, since it is larger than the sum of its proper divisors (498223515).
809008485 is a wasteful number, since it uses less digits than its factorization.
809008485 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 534108.
The product of its (nonzero) digits is 92160, while the sum is 42.
The square root of 809008485 is about 28443.0744646214. The cubic root of 809008485 is about 931.7892424549.
The spelling of 809008485 in words is "eight hundred nine million, eight thousand, four hundred eighty-five".
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