Base | Representation |
---|---|
bin | 1010001111000… |
… | …00110010011010 |
3 | 12222112220110010 |
4 | 11013200302122 |
5 | 133434333021 |
6 | 12304102350 |
7 | 2061521151 |
oct | 507406232 |
9 | 188486403 |
10 | 85855386 |
11 | 44510471 |
12 | 249049b6 |
13 | 14a30606 |
14 | b58c598 |
15 | 780d976 |
hex | 51e0c9a |
85855386 has 8 divisors (see below), whose sum is σ = 171710784. Its totient is φ = 28618460.
The previous prime is 85855369. The next prime is 85855387. The reversal of 85855386 is 68355858.
It is a sphenic number, since it is the product of 3 distinct primes.
85855386 is an admirable number.
It is a super-2 number, since 2×858553862 = 14742294610417992, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (85855387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7154610 + ... + 7154621.
It is an arithmetic number, because the mean of its divisors is an integer number (21463848).
Almost surely, 285855386 is an apocalyptic number.
85855386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85855386 is a wasteful number, since it uses less digits than its factorization.
85855386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14309236.
The product of its digits is 1152000, while the sum is 48.
The square root of 85855386 is about 9265.8181506006. The cubic root of 85855386 is about 441.1529439020.
The spelling of 85855386 in words is "eighty-five million, eight hundred fifty-five thousand, three hundred eighty-six".
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