Base | Representation |
---|---|
bin | 1010001001000… |
… | …00000001001110 |
3 | 12221001210100102 |
4 | 11010200001032 |
5 | 133234101211 |
6 | 12235131102 |
7 | 2052022160 |
oct | 504400116 |
9 | 187053312 |
10 | 85065806 |
11 | 44021221 |
12 | 245a3a92 |
13 | 148150c7 |
14 | b424930 |
15 | 7704a3b |
hex | 512004e |
85065806 has 16 divisors (see below), whose sum is σ = 145981440. Its totient is φ = 36418200.
The previous prime is 85065797. The next prime is 85065809. The reversal of 85065806 is 60856058.
It is a self number, because there is not a number n which added to its sum of digits gives 85065806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85065809) 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, 13475 + ... + 18753.
It is an arithmetic number, because the mean of its divisors is an integer number (9123840).
Almost surely, 285065806 is an apocalyptic number.
85065806 is a deficient number, since it is larger than the sum of its proper divisors (60915634).
85065806 is a wasteful number, since it uses less digits than its factorization.
85065806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6439.
The product of its (nonzero) digits is 57600, while the sum is 38.
The square root of 85065806 is about 9223.1125982501. The cubic root of 85065806 is about 439.7964037406.
The spelling of 85065806 in words is "eighty-five million, sixty-five thousand, eight hundred six".
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