Base | Representation |
---|---|
bin | 1010001000111… |
… | …11000011010101 |
3 | 12221001120220201 |
4 | 11010133003111 |
5 | 133233434340 |
6 | 12235100501 |
7 | 2052004501 |
oct | 504370325 |
9 | 187046821 |
10 | 85061845 |
11 | 44019250 |
12 | 245a1731 |
13 | 1481336b |
14 | b423301 |
15 | 770379a |
hex | 511f0d5 |
85061845 has 16 divisors (see below), whose sum is σ = 111699648. Its totient is φ = 61671040.
The previous prime is 85061831. The next prime is 85061857. The reversal of 85061845 is 54816058.
It is not a de Polignac number, because 85061845 - 25 = 85061813 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 16857 + ... + 21313.
It is an arithmetic number, because the mean of its divisors is an integer number (6981228).
Almost surely, 285061845 is an apocalyptic number.
It is an amenable number.
85061845 is a deficient number, since it is larger than the sum of its proper divisors (26637803).
85061845 is a wasteful number, since it uses less digits than its factorization.
85061845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4820.
The product of its (nonzero) digits is 38400, while the sum is 37.
The square root of 85061845 is about 9222.8978634700. The cubic root of 85061845 is about 439.7895774153.
The spelling of 85061845 in words is "eighty-five million, sixty-one thousand, eight hundred forty-five".
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