Base | Representation |
---|---|
bin | 1001111011001… |
… | …01111111011101 |
3 | 12210122210202012 |
4 | 10331211333131 |
5 | 132303132021 |
6 | 12132241005 |
7 | 2030441465 |
oct | 475457735 |
9 | 183583665 |
10 | 83255261 |
11 | 42aa4a01 |
12 | 23a70165 |
13 | 1432cc8b |
14 | b0b2ba5 |
15 | 749835b |
hex | 4f65fdd |
83255261 has 4 divisors (see below), whose sum is σ = 83345052. Its totient is φ = 83165472.
The previous prime is 83255257. The next prime is 83255269. The reversal of 83255261 is 16255238.
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 49266361 + 33988900 = 7019^2 + 5830^2 .
It is a cyclic number.
It is not a de Polignac number, because 83255261 - 22 = 83255257 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 (83255269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43490 + ... + 45363.
It is an arithmetic number, because the mean of its divisors is an integer number (20836263).
Almost surely, 283255261 is an apocalyptic number.
It is an amenable number.
83255261 is a deficient number, since it is larger than the sum of its proper divisors (89791).
83255261 is an equidigital number, since it uses as much as digits as its factorization.
83255261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89790.
The product of its digits is 14400, while the sum is 32.
The square root of 83255261 is about 9124.4320919167. The cubic root of 83255261 is about 436.6537848177.
The spelling of 83255261 in words is "eighty-three million, two hundred fifty-five thousand, two hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.093 sec. • engine limits •