Base | Representation |
---|---|
bin | 1010001010001… |
… | …00010000100011 |
3 | 12221100022222002 |
4 | 11011010100203 |
5 | 133303323433 |
6 | 12242234215 |
7 | 2053211012 |
oct | 505042043 |
9 | 187308862 |
10 | 85214243 |
11 | 441127a4 |
12 | 2465596b |
13 | 1486783a |
14 | b462a79 |
15 | 77339e8 |
hex | 5144423 |
85214243 has 8 divisors (see below), whose sum is σ = 87172608. Its totient is φ = 83262024.
The previous prime is 85214237. The next prime is 85214273. The reversal of 85214243 is 34241258.
It is a happy number.
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 85214243 - 26 = 85214179 is a prime.
It is a super-2 number, since 2×852142432 = 14522934420126098, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85214273) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37580 + ... + 39782.
It is an arithmetic number, because the mean of its divisors is an integer number (10896576).
Almost surely, 285214243 is an apocalyptic number.
85214243 is a deficient number, since it is larger than the sum of its proper divisors (1958365).
85214243 is a wasteful number, since it uses less digits than its factorization.
85214243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3073.
The product of its digits is 7680, while the sum is 29.
The square root of 85214243 is about 9231.1561031108. The cubic root of 85214243 is about 440.0520651199.
The spelling of 85214243 in words is "eighty-five million, two hundred fourteen thousand, two hundred forty-three".
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