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3818201 is a prime number
BaseRepresentation
bin1110100100001011011001
321011222120212
432210023121
51434140301
6213500505
744311532
oct16441331
97158525
103818201
112178742
121341735
13a38bba
14715689
155064bb
hex3a42d9

3818201 has 2 divisors, whose sum is σ = 3818202. Its totient is φ = 3818200.

The previous prime is 3818179. The next prime is 3818209. The reversal of 3818201 is 1028183.

3818201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3798601 + 19600 = 1949^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3818201 - 26 = 3818137 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3818209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909100 + 1909101.

It is an arithmetic number, because the mean of its divisors is an integer number (1909101).

Almost surely, 23818201 is an apocalyptic number.

It is an amenable number.

3818201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818201 is an equidigital number, since it uses as much as digits as its factorization.

3818201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 3818201 is about 1954.0217501348. The cubic root of 3818201 is about 156.2978230148.

The spelling of 3818201 in words is "three million, eight hundred eighteen thousand, two hundred one".