Base | Representation |
---|---|
bin | 1010001001111… |
… | …10100100010000 |
3 | 12221022010222120 |
4 | 11010332210100 |
5 | 133302102203 |
6 | 12241534240 |
7 | 2053053024 |
oct | 504764420 |
9 | 187263876 |
10 | 85190928 |
11 | 440a7229 |
12 | 24644380 |
13 | 1485a044 |
14 | b458384 |
15 | 772bb53 |
hex | 513e910 |
85190928 has 40 divisors (see below), whose sum is σ = 224235648. Its totient is φ = 27860352.
The previous prime is 85190923. The next prime is 85190971. The reversal of 85190928 is 82909158.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 85190928.
It is not an unprimeable number, because it can be changed into a prime (85190921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14200 + ... + 19287.
Almost surely, 285190928 is an apocalyptic number.
It is an amenable number.
85190928 is an abundant number, since it is smaller than the sum of its proper divisors (139044720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85190928 is a wasteful number, since it uses less digits than its factorization.
85190928 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33551 (or 33545 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 42.
The square root of 85190928 is about 9229.8931738130. The cubic root of 85190928 is about 440.0119280513.
The spelling of 85190928 in words is "eighty-five million, one hundred ninety thousand, nine hundred twenty-eight".
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