Base | Representation |
---|---|
bin | 1010001000111… |
… | …01010110010011 |
3 | 12221001020100021 |
4 | 11010131112103 |
5 | 133233223432 |
6 | 12235004311 |
7 | 2051645242 |
oct | 504352623 |
9 | 187036307 |
10 | 85054867 |
11 | 44013a87 |
12 | 24599697 |
13 | 14810131 |
14 | b420959 |
15 | 7701697 |
hex | 511d593 |
85054867 has 4 divisors (see below), whose sum is σ = 85576840. Its totient is φ = 84532896.
The previous prime is 85054861. The next prime is 85054889. The reversal of 85054867 is 76845058.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-85054867 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85054861) 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, 260742 + ... + 261067.
It is an arithmetic number, because the mean of its divisors is an integer number (21394210).
Almost surely, 285054867 is an apocalyptic number.
85054867 is a deficient number, since it is larger than the sum of its proper divisors (521973).
85054867 is a wasteful number, since it uses less digits than its factorization.
85054867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 521972.
The product of its (nonzero) digits is 268800, while the sum is 43.
The square root of 85054867 is about 9222.5195581251. The cubic root of 85054867 is about 439.7775511239. Note that the first 3 decimals are identical.
The spelling of 85054867 in words is "eighty-five million, fifty-four thousand, eight hundred sixty-seven".
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