Base | Representation |
---|---|
bin | 1010011010101… |
… | …01101111001010 |
3 | 20002102111220220 |
4 | 11031111233022 |
5 | 134332223421 |
6 | 12400530510 |
7 | 2110512615 |
oct | 515255712 |
9 | 202374826 |
10 | 87382986 |
11 | 45364149 |
12 | 25320a36 |
13 | 15146a12 |
14 | b86917c |
15 | 7a113c6 |
hex | 5355bca |
87382986 has 16 divisors (see below), whose sum is σ = 180403968. Its totient is φ = 28188000.
The previous prime is 87382979. The next prime is 87382991. The reversal of 87382986 is 68928378.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234715 + ... + 235086.
It is an arithmetic number, because the mean of its divisors is an integer number (11275248).
Almost surely, 287382986 is an apocalyptic number.
87382986 is an abundant number, since it is smaller than the sum of its proper divisors (93020982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87382986 is a wasteful number, since it uses less digits than its factorization.
87382986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469837.
The product of its digits is 1161216, while the sum is 51.
The square root of 87382986 is about 9347.8867130491. The cubic root of 87382986 is about 443.7540131621.
The spelling of 87382986 in words is "eighty-seven million, three hundred eighty-two thousand, nine hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •