Base | Representation |
---|---|
bin | 1010001000110… |
… | …10001100010011 |
3 | 12221000120121110 |
4 | 11010122030103 |
5 | 133232320224 |
6 | 12234424403 |
7 | 2051562453 |
oct | 504321423 |
9 | 187016543 |
10 | 85041939 |
11 | 440052a4 |
12 | 24592103 |
13 | 14807298 |
14 | b419d63 |
15 | 76ec929 |
hex | 511a313 |
85041939 has 8 divisors (see below), whose sum is σ = 120059280. Its totient is φ = 53359616.
The previous prime is 85041923. The next prime is 85041977. The reversal of 85041939 is 93914058.
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 85041939 - 24 = 85041923 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 85041897 and 85041906.
It is not an unprimeable number, because it can be changed into a prime (85041919) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833694 + ... + 833795.
It is an arithmetic number, because the mean of its divisors is an integer number (15007410).
Almost surely, 285041939 is an apocalyptic number.
85041939 is a deficient number, since it is larger than the sum of its proper divisors (35017341).
85041939 is a wasteful number, since it uses less digits than its factorization.
85041939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1667509.
The product of its (nonzero) digits is 38880, while the sum is 39.
The square root of 85041939 is about 9221.8186384249. The cubic root of 85041939 is about 439.7552685180.
The spelling of 85041939 in words is "eighty-five million, forty-one thousand, nine hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •