Base | Representation |
---|---|
bin | 110000011111001… |
… | …000001101111001 |
3 | 2002200200101020111 |
4 | 300133020031321 |
5 | 3131221411424 |
6 | 212415224321 |
7 | 26105231263 |
oct | 6037101571 |
9 | 2080611214 |
10 | 813466489 |
11 | 3881a9460 |
12 | 1a85180a1 |
13 | cc6b9524 |
14 | 7a072b33 |
15 | 4b637194 |
hex | 307c8379 |
813466489 has 8 divisors (see below), whose sum is σ = 888524640. Its totient is φ = 738592800.
The previous prime is 813466487. The next prime is 813466523. The reversal of 813466489 is 984664318.
813466489 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 813466489 - 21 = 813466487 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (813466487) 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, 36807 + ... + 54604.
It is an arithmetic number, because the mean of its divisors is an integer number (111065580).
Almost surely, 2813466489 is an apocalyptic number.
It is an amenable number.
813466489 is a deficient number, since it is larger than the sum of its proper divisors (75058151).
813466489 is a wasteful number, since it uses less digits than its factorization.
813466489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92231.
The product of its digits is 995328, while the sum is 49.
The square root of 813466489 is about 28521.3339274305. Note that the first 3 decimals coincide. The cubic root of 813466489 is about 933.4976355165.
The spelling of 813466489 in words is "eight hundred thirteen million, four hundred sixty-six thousand, four hundred eighty-nine".
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