Base | Representation |
---|---|
bin | 1010001010011… |
… | …01000010111110 |
3 | 12221102011100020 |
4 | 11011031002332 |
5 | 133311001423 |
6 | 12243113010 |
7 | 2053420653 |
oct | 505150276 |
9 | 187364306 |
10 | 85250238 |
11 | 44137847 |
12 | 24672766 |
13 | 1487b038 |
14 | b471c2a |
15 | 773e4e3 |
hex | 514d0be |
85250238 has 8 divisors (see below), whose sum is σ = 170500488. Its totient is φ = 28416744.
The previous prime is 85250233. The next prime is 85250261. The reversal of 85250238 is 83205258.
It is a sphenic number, since it is the product of 3 distinct primes.
85250238 is an admirable number.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 85250199 and 85250208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85250233) by changing a digit.
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, 7104181 + ... + 7104192.
It is an arithmetic number, because the mean of its divisors is an integer number (21312561).
Almost surely, 285250238 is an apocalyptic number.
85250238 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.
85250238 is a wasteful number, since it uses less digits than its factorization.
85250238 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14208378.
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 85250238 is about 9233.1055447233. The cubic root of 85250238 is about 440.1140165957.
The spelling of 85250238 in words is "eighty-five million, two hundred fifty thousand, two hundred thirty-eight".
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