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5182813 is a prime number
BaseRepresentation
bin10011110001010101011101
3100202022111001
4103301111131
52311322223
6303030301
762024146
oct23612535
910668431
105182813
112a1aa19
12189b391
1310c606c
1498cacd
156c59ad
hex4f155d

5182813 has 2 divisors, whose sum is σ = 5182814. Its totient is φ = 5182812.

The previous prime is 5182811. The next prime is 5182819. The reversal of 5182813 is 3182815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4507129 + 675684 = 2123^2 + 822^2 .

It is a cyclic number.

It is not a de Polignac number, because 5182813 - 21 = 5182811 is a prime.

Together with 5182811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5182811) 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, 2591406 + 2591407.

It is an arithmetic number, because the mean of its divisors is an integer number (2591407).

Almost surely, 25182813 is an apocalyptic number.

It is an amenable number.

5182813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5182813 is an equidigital number, since it uses as much as digits as its factorization.

5182813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 5182813 is about 2276.5792320936. The cubic root of 5182813 is about 173.0567379360.

It can be divided in two parts, 5182 and 813, that added together give a palindrome (5995).

The spelling of 5182813 in words is "five million, one hundred eighty-two thousand, eight hundred thirteen".