Base | Representation |
---|---|
bin | 1001111001100… |
… | …10001011100101 |
3 | 12210021000122100 |
4 | 10330302023211 |
5 | 132224334140 |
6 | 12123522313 |
7 | 2025566001 |
oct | 474621345 |
9 | 183230570 |
10 | 83043045 |
11 | 4296a518 |
12 | 23989399 |
13 | 142874c7 |
14 | b059701 |
15 | 7455530 |
hex | 4f322e5 |
83043045 has 24 divisors (see below), whose sum is σ = 152409816. Its totient is φ = 41683968.
The previous prime is 83043007. The next prime is 83043047. The reversal of 83043045 is 54034038.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 64016001 = 4362^2 + 8001^2 .
It is not a de Polignac number, because 83043045 - 214 = 83026661 is a prime.
It is a super-2 number, since 2×830430452 = 13792294645744050, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83043047) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53512 + ... + 55041.
It is an arithmetic number, because the mean of its divisors is an integer number (6350409).
Almost surely, 283043045 is an apocalyptic number.
83043045 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
83043045 is a deficient number, since it is larger than the sum of its proper divisors (69366771).
83043045 is a wasteful number, since it uses less digits than its factorization.
83043045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108581 (or 108578 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 83043045 is about 9112.7956742155. The cubic root of 83043045 is about 436.2824618773.
The spelling of 83043045 in words is "eighty-three million, forty-three thousand, forty-five".
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