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444200213 is a prime number
BaseRepresentation
bin11010011110011…
…111010100010101
31010221211201010202
4122132133110111
51402203401323
6112024430245
714002432232
oct3236372425
91127751122
10444200213
11208815216
12104918385
1371048b82
1442dcc789
1528ee4d28
hex1a79f515

444200213 has 2 divisors, whose sum is σ = 444200214. Its totient is φ = 444200212.

The previous prime is 444200201. The next prime is 444200233. The reversal of 444200213 is 312002444.

It is an a-pointer prime, because the next prime (444200233) can be obtained adding 444200213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416078404 + 28121809 = 20398^2 + 5303^2 .

It is a cyclic number.

It is not a de Polignac number, because 444200213 - 224 = 427422997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444200233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222100106 + 222100107.

It is an arithmetic number, because the mean of its divisors is an integer number (222100107).

Almost surely, 2444200213 is an apocalyptic number.

It is an amenable number.

444200213 is a deficient number, since it is larger than the sum of its proper divisors (1).

444200213 is an equidigital number, since it uses as much as digits as its factorization.

444200213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 444200213 is about 21076.0578144965. The cubic root of 444200213 is about 763.0030151492.

Adding to 444200213 its reverse (312002444), we get a palindrome (756202657).

The spelling of 444200213 in words is "four hundred forty-four million, two hundred thousand, two hundred thirteen".