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BaseRepresentation
bin111110110001111
31122002111
413312033
52012033
6404451
7162466
oct76617
948074
1032143
1122171
1216727
1311827
14b9dd
1597cd
hex7d8f

32143 has 2 divisors, whose sum is σ = 32144. Its totient is φ = 32142.

The previous prime is 32141. The next prime is 32159. The reversal of 32143 is 34123.

It is a weak prime.

It is an emirp because it is prime and its reverse (34123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32143 - 21 = 32141 is a prime.

Together with 32141, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16071 + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (16072).

232143 is an apocalyptic number.

32143 is a deficient number, since it is larger than the sum of its proper divisors (1).

32143 is an equidigital number, since it uses as much as digits as its factorization.

32143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 13.

The square root of 32143 is about 179.2846898093. The cubic root of 32143 is about 31.7952420924.

Adding to 32143 its reverse (34123), we get a palindrome (66266).

The spelling of 32143 in words is "thirty-two thousand, one hundred forty-three".