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3682813 is a prime number
BaseRepresentation
bin1110000011000111111101
320221002212111
432003013331
51420322223
6210534021
743206031
oct16030775
96832774
103682813
112095a52
121297311
139bc3a4
146bc1c1
154cb30d
hex3831fd

3682813 has 2 divisors, whose sum is σ = 3682814. Its totient is φ = 3682812.

The previous prime is 3682801. The next prime is 3682817. The reversal of 3682813 is 3182863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2199289 + 1483524 = 1483^2 + 1218^2 .

It is a cyclic number.

It is not a de Polignac number, because 3682813 - 25 = 3682781 is a prime.

It is a super-2 number, since 2×36828132 = 27126223185938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3682817) 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, 1841406 + 1841407.

It is an arithmetic number, because the mean of its divisors is an integer number (1841407).

Almost surely, 23682813 is an apocalyptic number.

It is an amenable number.

3682813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3682813 is an equidigital number, since it uses as much as digits as its factorization.

3682813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 3682813 is about 1919.0656580743. The cubic root of 3682813 is about 154.4281809596.

The spelling of 3682813 in words is "three million, six hundred eighty-two thousand, eight hundred thirteen".