Base | Representation |
---|---|
bin | 1001111100110… |
… | …10000001100101 |
3 | 12211001122002211 |
4 | 10332122001211 |
5 | 132331442024 |
6 | 12141003421 |
7 | 2032320034 |
oct | 476320145 |
9 | 184048084 |
10 | 83468389 |
11 | 43130044 |
12 | 23b53571 |
13 | 143a5ca4 |
14 | b12a71b |
15 | 74db594 |
hex | 4f9a065 |
83468389 has 2 divisors, whose sum is σ = 83468390. Its totient is φ = 83468388.
The previous prime is 83468347. The next prime is 83468401. The reversal of 83468389 is 98386438.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 83448225 + 20164 = 9135^2 + 142^2 .
It is a cyclic number.
It is not a de Polignac number, because 83468389 - 27 = 83468261 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83408389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41734194 + 41734195.
It is an arithmetic number, because the mean of its divisors is an integer number (41734195).
Almost surely, 283468389 is an apocalyptic number.
It is an amenable number.
83468389 is a deficient number, since it is larger than the sum of its proper divisors (1).
83468389 is an equidigital number, since it uses as much as digits as its factorization.
83468389 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 995328, while the sum is 49.
The square root of 83468389 is about 9136.1036005509. The cubic root of 83468389 is about 437.0260689938.
The spelling of 83468389 in words is "eighty-three million, four hundred sixty-eight thousand, three hundred eighty-nine".
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