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15206201 is a prime number
BaseRepresentation
bin111010000000…
…011100111001
31001121112222122
4322000130321
512343044301
61301531025
7243151643
oct72003471
931545878
1015206201
11864670a
125113a75
1331c546a
14203b893
15150581b
hexe80739

15206201 has 2 divisors, whose sum is σ = 15206202. Its totient is φ = 15206200.

The previous prime is 15206189. The next prime is 15206207. The reversal of 15206201 is 10260251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9916201 + 5290000 = 3149^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 15206201 - 214 = 15189817 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15206201.

It is not a weakly prime, because it can be changed into another prime (15206207) 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, 7603100 + 7603101.

It is an arithmetic number, because the mean of its divisors is an integer number (7603101).

Almost surely, 215206201 is an apocalyptic number.

It is an amenable number.

15206201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15206201 is an equidigital number, since it uses as much as digits as its factorization.

15206201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 15206201 is about 3899.5129183015. The cubic root of 15206201 is about 247.7461469823.

Adding to 15206201 its reverse (10260251), we get a palindrome (25466452).

The spelling of 15206201 in words is "fifteen million, two hundred six thousand, two hundred one".