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444512197 is a prime number
BaseRepresentation
bin11010011111101…
…011011111000101
31010222102120002201
4122133223133011
51402243342242
6112035234501
714005201633
oct3237533705
91128376081
10444512197
11208a08658
12104a48a31
1371127b8c
1443070353
15290574b7
hex1a7eb7c5

444512197 has 2 divisors, whose sum is σ = 444512198. Its totient is φ = 444512196.

The previous prime is 444512177. The next prime is 444512231. The reversal of 444512197 is 791215444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406183716 + 38328481 = 20154^2 + 6191^2 .

It is a cyclic number.

It is not a de Polignac number, because 444512197 - 215 = 444479429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444512177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222256098 + 222256099.

It is an arithmetic number, because the mean of its divisors is an integer number (222256099).

Almost surely, 2444512197 is an apocalyptic number.

It is an amenable number.

444512197 is a deficient number, since it is larger than the sum of its proper divisors (1).

444512197 is an equidigital number, since it uses as much as digits as its factorization.

444512197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 37.

The square root of 444512197 is about 21083.4578995003. The cubic root of 444512197 is about 763.1816050562.

The spelling of 444512197 in words is "four hundred forty-four million, five hundred twelve thousand, one hundred ninety-seven".