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445036019 is a prime number
BaseRepresentation
bin11010100001101…
…011010111110011
31011000102011122112
4122201223113303
51402412123034
6112054355535
714012513051
oct3241532763
91130364575
10445036019
1120923616a
1210505bbab
137127c42c
14431691d1
152910c7ce
hex1a86b5f3

445036019 has 2 divisors, whose sum is σ = 445036020. Its totient is φ = 445036018.

The previous prime is 445036003. The next prime is 445036051. The reversal of 445036019 is 910630544.

It is an a-pointer prime, because the next prime (445036051) can be obtained adding 445036019 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445036019 - 24 = 445036003 is a prime.

It is a super-2 number, since 2×4450360192 = 396114116414736722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (445036079) 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, 222518009 + 222518010.

It is an arithmetic number, because the mean of its divisors is an integer number (222518010).

Almost surely, 2445036019 is an apocalyptic number.

445036019 is a deficient number, since it is larger than the sum of its proper divisors (1).

445036019 is an equidigital number, since it uses as much as digits as its factorization.

445036019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 445036019 is about 21095.8768246309. The cubic root of 445036019 is about 763.4812701627.

The spelling of 445036019 in words is "four hundred forty-five million, thirty-six thousand, nineteen".