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BaseRepresentation
bin10000001100101
3102101011
42001211
5231133
6102221
733115
oct20145
912334
108293
11625a
124971
133a0c
143045
1526cd
hex2065

8293 has 2 divisors, whose sum is σ = 8294. Its totient is φ = 8292.

The previous prime is 8291. The next prime is 8297. The reversal of 8293 is 3928.

Adding to 8293 its reverse (3928), we get a palindrome (12221).

It can be divided in two parts, 82 and 93, that multiplied together give a triangular number (7626 = T123).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6084 + 2209 = 78^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 8293 - 21 = 8291 is a prime.

Together with 8291, it forms a pair of twin primes.

It is a plaindrome in base 9 and base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4146 + 4147.

It is an arithmetic number, because the mean of its divisors is an integer number (4147).

28293 is an apocalyptic number.

It is an amenable number.

8293 is a deficient number, since it is larger than the sum of its proper divisors (1).

8293 is an equidigital number, since it uses as much as digits as its factorization.

8293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 8293 is about 91.0659101970. The cubic root of 8293 is about 20.2412450087.

The spelling of 8293 in words is "eight thousand, two hundred ninety-three".