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130283 = 196857
BaseRepresentation
bin11111110011101011
320121201022
4133303223
513132113
62443055
71051556
oct376353
9217638
10130283
118997a
126348b
13473ba
143569d
1528908
hex1fceb

130283 has 4 divisors (see below), whose sum is σ = 137160. Its totient is φ = 123408.

The previous prime is 130279. The next prime is 130303. The reversal of 130283 is 382031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382031 = 1329387.

It is a cyclic number.

It is not a de Polignac number, because 130283 - 22 = 130279 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (130223) 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 in 3 ways as a sum of consecutive naturals, for example, 3410 + ... + 3447.

It is an arithmetic number, because the mean of its divisors is an integer number (34290).

2130283 is an apocalyptic number.

130283 is a deficient number, since it is larger than the sum of its proper divisors (6877).

130283 is an equidigital number, since it uses as much as digits as its factorization.

130283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130283 is about 360.9473645838. The cubic root of 130283 is about 50.6947030505.

It can be divided in two parts, 13028 and 3, that added together give a palindrome (13031).

The spelling of 130283 in words is "one hundred thirty thousand, two hundred eighty-three".

Divisors: 1 19 6857 130283