Base | Representation |
---|---|
bin | 1010001000111… |
… | …01010110010010 |
3 | 12221001020100020 |
4 | 11010131112102 |
5 | 133233223431 |
6 | 12235004310 |
7 | 2051645241 |
oct | 504352622 |
9 | 187036306 |
10 | 85054866 |
11 | 44013a86 |
12 | 24599696 |
13 | 14810130 |
14 | b420958 |
15 | 7701696 |
hex | 511d592 |
85054866 has 32 divisors (see below), whose sum is σ = 187100928. Its totient is φ = 25612800.
The previous prime is 85054861. The next prime is 85054889. The reversal of 85054866 is 66845058.
It is not an unprimeable number, because it can be changed into a prime (85054861) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935 + ... + 15266.
It is an arithmetic number, because the mean of its divisors is an integer number (5846904).
Almost surely, 285054866 is an apocalyptic number.
85054866 is an abundant number, since it is smaller than the sum of its proper divisors (102046062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85054866 is a wasteful number, since it uses less digits than its factorization.
85054866 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23266.
The product of its (nonzero) digits is 230400, while the sum is 42.
The square root of 85054866 is about 9222.5195039100. The cubic root of 85054866 is about 439.7775494004. Note that the first 3 decimals are identical.
The spelling of 85054866 in words is "eighty-five million, fifty-four thousand, eight hundred sixty-six".
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