Base | Representation |
---|---|
bin | 1010001010111… |
… | …01100111011001 |
3 | 12221112121102211 |
4 | 11011131213121 |
5 | 133320134410 |
6 | 12244355121 |
7 | 2054122555 |
oct | 505354731 |
9 | 187477384 |
10 | 85318105 |
11 | 44183834 |
12 | 246a5aa1 |
13 | 148a2bb2 |
14 | b48c865 |
15 | 775468a |
hex | 515d9d9 |
85318105 has 8 divisors (see below), whose sum is σ = 102562632. Its totient is φ = 68133888.
The previous prime is 85318091. The next prime is 85318133. The reversal of 85318105 is 50181358.
It can be written as a sum of positive squares in 4 ways, for example, as 17239104 + 68079001 = 4152^2 + 8251^2 .
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 85318105 - 29 = 85317593 is a prime.
It is a Duffinian 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, 11902 + ... + 17671.
It is an arithmetic number, because the mean of its divisors is an integer number (12820329).
Almost surely, 285318105 is an apocalyptic number.
It is an amenable number.
85318105 is a deficient number, since it is larger than the sum of its proper divisors (17244527).
85318105 is a wasteful number, since it uses less digits than its factorization.
85318105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30155.
The product of its (nonzero) digits is 4800, while the sum is 31.
The square root of 85318105 is about 9236.7800125368. The cubic root of 85318105 is about 440.2307759775.
The spelling of 85318105 in words is "eighty-five million, three hundred eighteen thousand, one hundred five".
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