Base | Representation |
---|---|
bin | 1001111011111… |
… | …01001010101101 |
3 | 12210211121222001 |
4 | 10331331022231 |
5 | 132314201224 |
6 | 12134252301 |
7 | 2031315316 |
oct | 475751255 |
9 | 183747861 |
10 | 83350189 |
11 | 4305a25a |
12 | 23ab7091 |
13 | 14364250 |
14 | b0d960d |
15 | 74b6544 |
hex | 4f7d2ad |
83350189 has 8 divisors (see below), whose sum is σ = 90283032. Its totient is φ = 76491840.
The previous prime is 83350187. The next prime is 83350231. The reversal of 83350189 is 98105338.
It can be written as a sum of positive squares in 4 ways, for example, as 32012964 + 51337225 = 5658^2 + 7165^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83350189 - 21 = 83350187 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83350181) 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 7 ways as a sum of consecutive naturals, for example, 16282 + ... + 20779.
It is an arithmetic number, because the mean of its divisors is an integer number (11285379).
Almost surely, 283350189 is an apocalyptic number.
It is an amenable number.
83350189 is a deficient number, since it is larger than the sum of its proper divisors (6932843).
83350189 is a wasteful number, since it uses less digits than its factorization.
83350189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37247.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 83350189 is about 9129.6324679584. The cubic root of 83350189 is about 436.8196799450.
The spelling of 83350189 in words is "eighty-three million, three hundred fifty thousand, one hundred eighty-nine".
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