Base | Representation |
---|---|
bin | 1001111011011… |
… | …10001111011001 |
3 | 12210201112002121 |
4 | 10331232033121 |
5 | 132310222144 |
6 | 12133101241 |
7 | 2030642134 |
oct | 475561731 |
9 | 183645077 |
10 | 83289049 |
11 | 43018328 |
12 | 23a87821 |
13 | 1434247c |
14 | b0c121b |
15 | 74a3384 |
hex | 4f6e3d9 |
83289049 has 4 divisors (see below), whose sum is σ = 86910336. Its totient is φ = 79667764.
The previous prime is 83289047. The next prime is 83289053. The reversal of 83289049 is 94098238.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 83289049 - 21 = 83289047 is a prime.
It is a super-3 number, since 3×832890493 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 83288996 and 83289014.
It is not an unprimeable number, because it can be changed into a prime (83289047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810609 + ... + 1810654.
It is an arithmetic number, because the mean of its divisors is an integer number (21727584).
Almost surely, 283289049 is an apocalyptic number.
It is an amenable number.
83289049 is a deficient number, since it is larger than the sum of its proper divisors (3621287).
83289049 is a wasteful number, since it uses less digits than its factorization.
83289049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3621286.
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 83289049 is about 9126.2834165941. The cubic root of 83289049 is about 436.7128468017.
The spelling of 83289049 in words is "eighty-three million, two hundred eighty-nine thousand, forty-nine".
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