Base | Representation |
---|---|
bin | 1010001001010… |
… | …01011010110001 |
3 | 12221010202011022 |
4 | 11010221122301 |
5 | 133241314210 |
6 | 12240025225 |
7 | 2052242336 |
oct | 504513261 |
9 | 187122138 |
10 | 85104305 |
11 | 44048140 |
12 | 24602215 |
13 | 148297a0 |
14 | b43498d |
15 | 7711155 |
hex | 51296b1 |
85104305 has 16 divisors (see below), whose sum is σ = 119980224. Its totient is φ = 57132480.
The previous prime is 85104293. The next prime is 85104307. The reversal of 85104305 is 50340158.
It is not a de Polignac number, because 85104305 - 24 = 85104289 is a prime.
It is a Curzon number.
It is a zygodrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (85104307) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58799 + ... + 60228.
It is an arithmetic number, because the mean of its divisors is an integer number (7498764).
Almost surely, 285104305 is an apocalyptic number.
It is an amenable number.
85104305 is a deficient number, since it is larger than the sum of its proper divisors (34875919).
85104305 is a wasteful number, since it uses less digits than its factorization.
85104305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 119056.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 85104305 is about 9225.1994558383. The cubic root of 85104305 is about 439.8627412773.
The spelling of 85104305 in words is "eighty-five million, one hundred four thousand, three hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •