Base | Representation |
---|---|
bin | 1010010110111… |
… | …00011101111110 |
3 | 20001111021120000 |
4 | 11023130131332 |
5 | 134220330040 |
6 | 12342135130 |
7 | 2103343512 |
oct | 513343576 |
9 | 201437500 |
10 | 86886270 |
11 | 45054a39 |
12 | 251214a6 |
13 | 150018c3 |
14 | b77a142 |
15 | 7964130 |
hex | 52dc77e |
86886270 has 80 divisors (see below), whose sum is σ = 237262608. Its totient is φ = 22809600.
The previous prime is 86886253. The next prime is 86886271. The reversal of 86886270 is 7268868.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (86886271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 53470 + ... + 55070.
Almost surely, 286886270 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 86886270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118631304).
86886270 is an abundant number, since it is smaller than the sum of its proper divisors (150376338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86886270 is a wasteful number, since it uses less digits than its factorization.
86886270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1687 (or 1678 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 45.
The square root of 86886270 is about 9321.2804914346. The cubic root of 86886270 is about 442.9115963466.
The spelling of 86886270 in words is "eighty-six million, eight hundred eighty-six thousand, two hundred seventy".
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