Base | Representation |
---|---|
bin | 1010010110101… |
… | …00001000011001 |
3 | 20001102112201020 |
4 | 11023110020121 |
5 | 134213231441 |
6 | 12341313053 |
7 | 2103142116 |
oct | 513241031 |
9 | 201375636 |
10 | 86852121 |
11 | 45031314 |
12 | 25105789 |
13 | 14cbc1b5 |
14 | b76b90d |
15 | 7958e66 |
hex | 52d4219 |
86852121 has 8 divisors (see below), whose sum is σ = 115884960. Its totient is φ = 57860352.
The previous prime is 86852119. The next prime is 86852137. The reversal of 86852121 is 12125868.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 86852121 - 21 = 86852119 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (86842121) 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, 4936 + ... + 14073.
It is an arithmetic number, because the mean of its divisors is an integer number (14485620).
Almost surely, 286852121 is an apocalyptic number.
It is an amenable number.
86852121 is a deficient number, since it is larger than the sum of its proper divisors (29032839).
86852121 is a wasteful number, since it uses less digits than its factorization.
86852121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20535.
The product of its digits is 7680, while the sum is 33.
The square root of 86852121 is about 9319.4485351870. The cubic root of 86852121 is about 442.8535627430.
Adding to 86852121 its reverse (12125868), we get a palindrome (98977989).
The spelling of 86852121 in words is "eighty-six million, eight hundred fifty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •