Base | Representation |
---|---|
bin | 1001111011001… |
… | …00101110001101 |
3 | 12210122112121121 |
4 | 10331210232031 |
5 | 132303000221 |
6 | 12132200541 |
7 | 2030420356 |
oct | 475445615 |
9 | 183575547 |
10 | 83250061 |
11 | 42aa1004 |
12 | 23a69151 |
13 | 1432a7bb |
14 | b0b0d2d |
15 | 7496a41 |
hex | 4f64b8d |
83250061 has 2 divisors, whose sum is σ = 83250062. Its totient is φ = 83250060.
The previous prime is 83250047. The next prime is 83250067. The reversal of 83250061 is 16005238.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 75516100 + 7733961 = 8690^2 + 2781^2 .
It is a cyclic number.
It is not a de Polignac number, because 83250061 - 211 = 83248013 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (83250067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41625030 + 41625031.
It is an arithmetic number, because the mean of its divisors is an integer number (41625031).
Almost surely, 283250061 is an apocalyptic number.
It is an amenable number.
83250061 is a deficient number, since it is larger than the sum of its proper divisors (1).
83250061 is an equidigital number, since it uses as much as digits as its factorization.
83250061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 83250061 is about 9124.1471382261. The cubic root of 83250061 is about 436.6446937127.
Adding to 83250061 its reverse (16005238), we get a palindrome (99255299).
The spelling of 83250061 in words is "eighty-three million, two hundred fifty thousand, sixty-one".
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