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6920201 is a prime number
BaseRepresentation
bin11010011001100000001001
3111000120201202
4122121200021
53232421301
6404153545
7112551341
oct32314011
914016652
106920201
1139a7282
1223988b5
131583ac2
14cc1d21
1591a66b
hex699809

6920201 has 2 divisors, whose sum is σ = 6920202. Its totient is φ = 6920200.

The previous prime is 6920189. The next prime is 6920203. The reversal of 6920201 is 1020296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4946176 + 1974025 = 2224^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 6920201 - 210 = 6919177 is a prime.

Together with 6920203, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6920203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460100 + 3460101.

It is an arithmetic number, because the mean of its divisors is an integer number (3460101).

Almost surely, 26920201 is an apocalyptic number.

It is an amenable number.

6920201 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920201 is an equidigital number, since it uses as much as digits as its factorization.

6920201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 6920201 is about 2630.6274916833. The cubic root of 6920201 is about 190.5634337058.

Adding to 6920201 its reverse (1020296), we get a palindrome (7940497).

The spelling of 6920201 in words is "six million, nine hundred twenty thousand, two hundred one".