Base | Representation |
---|---|
bin | 1001111011111… |
… | …01001011010111 |
3 | 12210211122000121 |
4 | 10331331023113 |
5 | 132314201411 |
6 | 12134252411 |
7 | 2031315406 |
oct | 475751327 |
9 | 183748017 |
10 | 83350231 |
11 | 4305a298 |
12 | 23ab7107 |
13 | 14364283 |
14 | b0d963d |
15 | 74b6571 |
hex | 4f7d2d7 |
83350231 has 2 divisors, whose sum is σ = 83350232. Its totient is φ = 83350230.
The previous prime is 83350187. The next prime is 83350243. The reversal of 83350231 is 13205338.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 83350231 - 221 = 81253079 is a prime.
It is a super-2 number, since 2×833502312 = 13894522015506722, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 83350196 and 83350205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83350261) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41675115 + 41675116.
It is an arithmetic number, because the mean of its divisors is an integer number (41675116).
Almost surely, 283350231 is an apocalyptic number.
83350231 is a deficient number, since it is larger than the sum of its proper divisors (1).
83350231 is an equidigital number, since it uses as much as digits as its factorization.
83350231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 83350231 is about 9129.6347681602. The cubic root of 83350231 is about 436.8197533159.
Adding to 83350231 its reverse (13205338), we get a palindrome (96555569).
The spelling of 83350231 in words is "eighty-three million, three hundred fifty thousand, two hundred thirty-one".
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