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130843 is a prime number
BaseRepresentation
bin11111111100011011
320122111001
4133330123
513141333
62445431
71053316
oct377433
9218431
10130843
118a339
1263877
134772b
143597d
1528b7d
hex1ff1b

130843 has 2 divisors, whose sum is σ = 130844. Its totient is φ = 130842.

The previous prime is 130841. The next prime is 130859. The reversal of 130843 is 348031.

It is a weak prime.

It is an emirp because it is prime and its reverse (348031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130843 - 21 = 130841 is a prime.

Together with 130841, it forms a pair of twin primes.

It is an Ulam number.

130843 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 130843.

It is not a weakly prime, because it can be changed into another prime (130841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65421 + 65422.

It is an arithmetic number, because the mean of its divisors is an integer number (65422).

2130843 is an apocalyptic number.

130843 is a deficient number, since it is larger than the sum of its proper divisors (1).

130843 is an equidigital number, since it uses as much as digits as its factorization.

130843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 130843 is about 361.7222691513. The cubic root of 130843 is about 50.7672335043.

Adding to 130843 its product of nonzero digits (288), we get a palindrome (131131).

Adding to 130843 its reverse (348031), we get a palindrome (478874).

The spelling of 130843 in words is "one hundred thirty thousand, eight hundred forty-three".