Base | Representation |
---|---|
bin | 1001111011110… |
… | …10010110111101 |
3 | 12210211001011222 |
4 | 10331322112331 |
5 | 132313314220 |
6 | 12134123125 |
7 | 2031236633 |
oct | 475722675 |
9 | 183731158 |
10 | 83338685 |
11 | 43051651 |
12 | 23ab04a5 |
13 | 1435bc41 |
14 | b0d5353 |
15 | 74b2e25 |
hex | 4f7a5bd |
83338685 has 4 divisors (see below), whose sum is σ = 100006428. Its totient is φ = 66670944.
The previous prime is 83338669. The next prime is 83338753. The reversal of 83338685 is 58683338.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 17355556 + 65983129 = 4166^2 + 8123^2 .
It is a cyclic number.
It is not a de Polignac number, because 83338685 - 24 = 83338669 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333864 + ... + 8333873.
It is an arithmetic number, because the mean of its divisors is an integer number (25001607).
Almost surely, 283338685 is an apocalyptic number.
It is an amenable number.
83338685 is a deficient number, since it is larger than the sum of its proper divisors (16667743).
83338685 is a wasteful number, since it uses less digits than its factorization.
83338685 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16667742.
The product of its digits is 414720, while the sum is 44.
The square root of 83338685 is about 9129.0024099022. The cubic root of 83338685 is about 436.7995823909.
Subtracting from 83338685 its sum of digits (44), we obtain a square (83338641 = 91292).
The spelling of 83338685 in words is "eighty-three million, three hundred thirty-eight thousand, six hundred eighty-five".
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