Base | Representation |
---|---|
bin | 1010001100000… |
… | …01001011111101 |
3 | 12221211000022010 |
4 | 11012001023331 |
5 | 133334320210 |
6 | 12251441433 |
7 | 2055300420 |
oct | 506011375 |
9 | 187730263 |
10 | 85463805 |
11 | 44273249 |
12 | 24756279 |
13 | 149242cb |
14 | b4c99b7 |
15 | 7782920 |
hex | 51812fd |
85463805 has 32 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 37012032.
The previous prime is 85463797. The next prime is 85463809. The reversal of 85463805 is 50836458.
It is a happy number.
It is not a de Polignac number, because 85463805 - 23 = 85463797 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85463809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19425 + ... + 23414.
It is an arithmetic number, because the mean of its divisors is an integer number (5140800).
Almost surely, 285463805 is an apocalyptic number.
It is an amenable number.
85463805 is a deficient number, since it is larger than the sum of its proper divisors (79041795).
85463805 is a wasteful number, since it uses less digits than its factorization.
85463805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42873.
The product of its (nonzero) digits is 115200, while the sum is 39.
The square root of 85463805 is about 9244.6635958265. The cubic root of 85463805 is about 440.4812314017.
It can be divided in two parts, 85463 and 805, that added together give a palindrome (86268).
The spelling of 85463805 in words is "eighty-five million, four hundred sixty-three thousand, eight hundred five".
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