Base | Representation |
---|---|
bin | 1010001011010… |
… | …10011111000010 |
3 | 12221122021202011 |
4 | 11011222133002 |
5 | 133323331233 |
6 | 12245443134 |
7 | 2054432341 |
oct | 505523702 |
9 | 187567664 |
10 | 85370818 |
11 | 4420a3a5 |
12 | 247104aa |
13 | 148c0ba0 |
14 | b4a3b58 |
15 | 77650cd |
hex | 516a7c2 |
85370818 has 8 divisors (see below), whose sum is σ = 137906748. Its totient is φ = 39401904.
The previous prime is 85370777. The next prime is 85370827. The reversal of 85370818 is 81807358.
It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 233289 = 9227^2 + 483^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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 3 ways as a sum of consecutive naturals, for example, 1641721 + ... + 1641772.
Almost surely, 285370818 is an apocalyptic number.
85370818 is a deficient number, since it is larger than the sum of its proper divisors (52535930).
85370818 is a wasteful number, since it uses less digits than its factorization.
85370818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3283508.
The product of its (nonzero) digits is 53760, while the sum is 40.
The square root of 85370818 is about 9239.6330013697. The cubic root of 85370818 is about 440.3214214794.
The spelling of 85370818 in words is "eighty-five million, three hundred seventy thousand, eight hundred eighteen".
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