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445000201 is a prime number
BaseRepresentation
bin11010100001100…
…010101000001001
31011000100100111221
4122201202220021
51402410001301
6112053522041
714012303452
oct3241425011
91130310457
10445000201
11209211268
12105043321
1371269039
144315a129
1529101da1
hex1a862a09

445000201 has 2 divisors, whose sum is σ = 445000202. Its totient is φ = 445000200.

The previous prime is 445000187. The next prime is 445000219. The reversal of 445000201 is 102000544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421234576 + 23765625 = 20524^2 + 4875^2 .

It is a cyclic number.

It is not a de Polignac number, because 445000201 - 25 = 445000169 is a prime.

It is not a weakly prime, because it can be changed into another prime (445000261) 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, 222500100 + 222500101.

It is an arithmetic number, because the mean of its divisors is an integer number (222500101).

Almost surely, 2445000201 is an apocalyptic number.

It is an amenable number.

445000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

445000201 is an equidigital number, since it uses as much as digits as its factorization.

445000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 445000201 is about 21095.0278738854. The cubic root of 445000201 is about 763.4607870972.

Adding to 445000201 its reverse (102000544), we get a palindrome (547000745).

The spelling of 445000201 in words is "four hundred forty-five million, two hundred one", and thus it is an aban number.