Base | Representation |
---|---|
bin | 1010001010000… |
… | …10011011010010 |
3 | 12221022221200010 |
4 | 11011002123102 |
5 | 133303103423 |
6 | 12242135350 |
7 | 2053150101 |
oct | 505023322 |
9 | 187287603 |
10 | 85206738 |
11 | 441080a1 |
12 | 24651556 |
13 | 148642b6 |
14 | b460038 |
15 | 7731693 |
hex | 51426d2 |
85206738 has 32 divisors (see below), whose sum is σ = 174081600. Its totient is φ = 27795456.
The previous prime is 85206707. The next prime is 85206749. The reversal of 85206738 is 83760258.
It is a junction number, because it is equal to n+sod(n) for n = 85206696 and 85206705.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 110418 + ... + 111186.
It is an arithmetic number, because the mean of its divisors is an integer number (5440050).
Almost surely, 285206738 is an apocalyptic number.
85206738 is an abundant number, since it is smaller than the sum of its proper divisors (88874862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85206738 is a wasteful number, since it uses less digits than its factorization.
85206738 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1146.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 85206738 is about 9230.7495903637. The cubic root of 85206738 is about 440.0391459662.
The spelling of 85206738 in words is "eighty-five million, two hundred six thousand, seven hundred thirty-eight".
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