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8286 = 231381
BaseRepresentation
bin10000001011110
3102100220
42001132
5231121
6102210
733105
oct20136
912326
108286
116253
124966
133a05
14303c
1526c6
hex205e

8286 has 8 divisors (see below), whose sum is σ = 16584. Its totient is φ = 2760.

The previous prime is 8273. The next prime is 8287. The reversal of 8286 is 6828.

8286 = 442 + 452 + ... + 472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (2073).

28286 is an apocalyptic number.

8286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8292).

8286 is a wasteful number, since it uses less digits than its factorization.

8286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its digits is 768, while the sum is 24.

The square root of 8286 is about 91.0274683818. The cubic root of 8286 is about 20.2355482927.

The spelling of 8286 in words is "eight thousand, two hundred eighty-six".

Divisors: 1 2 3 6 1381 2762 4143 8286