Base | Representation |
---|---|
bin | 110000001110100… |
… | …101110101011001 |
3 | 2002101112010112220 |
4 | 300032211311121 |
5 | 3124114200403 |
6 | 212142254253 |
7 | 26023334352 |
oct | 6016456531 |
9 | 2071463486 |
10 | 809131353 |
11 | 3858083a8 |
12 | 1a6b87389 |
13 | cb82c264 |
14 | 79664d29 |
15 | 4b07c953 |
hex | 303a5d59 |
809131353 has 8 divisors (see below), whose sum is σ = 1080383616. Its totient is φ = 538650000.
The previous prime is 809131331. The next prime is 809131363. The reversal of 809131353 is 353131908.
809131353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 809131353 - 29 = 809130841 is a prime.
It is a super-2 number, since 2×8091313532 = 1309387092815221218, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (809131313) 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, 190273 + ... + 194478.
It is an arithmetic number, because the mean of its divisors is an integer number (135047952).
Almost surely, 2809131353 is an apocalyptic number.
It is an amenable number.
809131353 is a deficient number, since it is larger than the sum of its proper divisors (271252263).
809131353 is a wasteful number, since it uses less digits than its factorization.
809131353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385455.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 809131353 is about 28445.2342757095. The cubic root of 809131353 is about 931.8364118346.
The spelling of 809131353 in words is "eight hundred nine million, one hundred thirty-one thousand, three hundred fifty-three".
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