Base | Representation |
---|---|
bin | 110000001111011… |
… | …001010010100011 |
3 | 2002101220211122220 |
4 | 300033121102203 |
5 | 3124142421430 |
6 | 212151002123 |
7 | 26025203001 |
oct | 6017312243 |
9 | 2071824586 |
10 | 809342115 |
11 | 38594178a |
12 | 1a7069343 |
13 | cb8a417a |
14 | 796bba71 |
15 | 4b0c0110 |
hex | 303d94a3 |
809342115 has 32 divisors (see below), whose sum is σ = 1334983680. Its totient is φ = 418477824.
The previous prime is 809342089. The next prime is 809342129. The reversal of 809342115 is 511243908.
It is not a de Polignac number, because 809342115 - 28 = 809341859 is a prime.
It is a super-2 number, since 2×8093421152 = 1310069318225346450, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70071 + ... + 80799.
It is an arithmetic number, because the mean of its divisors is an integer number (41718240).
Almost surely, 2809342115 is an apocalyptic number.
809342115 is a deficient number, since it is larger than the sum of its proper divisors (525641565).
809342115 is a wasteful number, since it uses less digits than its factorization.
809342115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10891.
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 809342115 is about 28448.9387324027. The cubic root of 809342115 is about 931.9173128549.
The spelling of 809342115 in words is "eight hundred nine million, three hundred forty-two thousand, one hundred fifteen".
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