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BaseRepresentation
bin11111110111101111
320122001221
4133313233
513134133
62444211
71052410
oct376757
9218057
10130543
118a096
1263667
134755a
1435807
1528a2d
hex1fdef

130543 has 8 divisors (see below), whose sum is σ = 158112. Its totient is φ = 105216.

The previous prime is 130531. The next prime is 130547. The reversal of 130543 is 345031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130543 is a prime.

It is a Duffinian number.

130543 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 667.

It is an arithmetic number, because the mean of its divisors is an integer number (19764).

2130543 is an apocalyptic number.

130543 is a deficient number, since it is larger than the sum of its proper divisors (27569).

130543 is a wasteful number, since it uses less digits than its factorization.

130543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 130543 is about 361.3073483892. The cubic root of 130543 is about 50.7284036983.

Adding to 130543 its reverse (345031), we get a palindrome (475574).

The spelling of 130543 in words is "one hundred thirty thousand, five hundred forty-three".

Divisors: 1 7 17 119 1097 7679 18649 130543