Base | Representation |
---|---|
bin | 1010010111110… |
… | …00011011110110 |
3 | 20001201002200200 |
4 | 11023320123312 |
5 | 134233011242 |
6 | 12344421330 |
7 | 2104331466 |
oct | 513703366 |
9 | 201632620 |
10 | 87000822 |
11 | 45123007 |
12 | 25177846 |
13 | 15041a9c |
14 | b7a9ba6 |
15 | 798804c |
hex | 52f86f6 |
87000822 has 12 divisors (see below), whose sum is σ = 188501820. Its totient is φ = 29000268.
The previous prime is 87000799. The next prime is 87000833. The reversal of 87000822 is 22800078.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2416672 + ... + 2416707.
It is an arithmetic number, because the mean of its divisors is an integer number (15708485).
Almost surely, 287000822 is an apocalyptic number.
87000822 is an abundant number, since it is smaller than the sum of its proper divisors (101500998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87000822 is a wasteful number, since it uses less digits than its factorization.
87000822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4833387 (or 4833384 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 87000822 is about 9327.4231168099. The cubic root of 87000822 is about 443.1061576903.
The spelling of 87000822 in words is "eighty-seven million, eight hundred twenty-two", and thus it is an aban number.
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