Base | Representation |
---|---|
bin | 1010001010010… |
… | …10000011110101 |
3 | 12221101112120011 |
4 | 11011022003311 |
5 | 133310104010 |
6 | 12242540221 |
7 | 2053340206 |
oct | 505120365 |
9 | 187345504 |
10 | 85238005 |
11 | 44129636 |
12 | 24667671 |
13 | 148755b8 |
14 | b46b5ad |
15 | 773aa8a |
hex | 514a0f5 |
85238005 has 8 divisors (see below), whose sum is σ = 102375000. Its totient is φ = 68130816.
The previous prime is 85237993. The next prime is 85238029. The reversal of 85238005 is 50083258.
It can be written as a sum of positive squares in 4 ways, for example, as 192721 + 85045284 = 439^2 + 9222^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85238005 - 213 = 85229813 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 13069.
It is an arithmetic number, because the mean of its divisors is an integer number (12796875).
Almost surely, 285238005 is an apocalyptic number.
It is an amenable number.
85238005 is a deficient number, since it is larger than the sum of its proper divisors (17136995).
85238005 is a wasteful number, since it uses less digits than its factorization.
85238005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14903.
The product of its (nonzero) digits is 9600, while the sum is 31.
The square root of 85238005 is about 9232.4430677909. The cubic root of 85238005 is about 440.0929641724.
The spelling of 85238005 in words is "eighty-five million, two hundred thirty-eight thousand, five".
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