Base | Representation |
---|---|
bin | 1010010110111… |
… | …00011101001011 |
3 | 20001111021111010 |
4 | 11023130131023 |
5 | 134220324334 |
6 | 12342135003 |
7 | 2103343410 |
oct | 513343513 |
9 | 201437433 |
10 | 86886219 |
11 | 450549a2 |
12 | 25121463 |
13 | 15001884 |
14 | b77a107 |
15 | 79640e9 |
hex | 52dc74b |
86886219 has 16 divisors (see below), whose sum is σ = 132839168. Its totient is φ = 49483872.
The previous prime is 86886209. The next prime is 86886253. The reversal of 86886219 is 91268868.
It is not a de Polignac number, because 86886219 - 212 = 86882123 is a prime.
It is a super-2 number, since 2×868862192 = 15098430104231922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (86886209) 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, 292 + ... + 13185.
It is an arithmetic number, because the mean of its divisors is an integer number (8302448).
Almost surely, 286886219 is an apocalyptic number.
86886219 is a deficient number, since it is larger than the sum of its proper divisors (45952949).
86886219 is a wasteful number, since it uses less digits than its factorization.
86886219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13794.
The product of its digits is 331776, while the sum is 48.
The square root of 86886219 is about 9321.2777557586. The cubic root of 86886219 is about 442.9115096874.
The spelling of 86886219 in words is "eighty-six million, eight hundred eighty-six thousand, two hundred nineteen".
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