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4442430389 is a prime number
BaseRepresentation
bin1000010001100101…
…00001101110110101
3102110121012211211212
410020302201232311
533044230233024
62012452411205
7215042015045
oct41062415665
912417184755
104442430389
11197a6aa781
12a3b916b05
1355a49ab47
14302001725
151b001aa0e
hex108ca1bb5

4442430389 has 2 divisors, whose sum is σ = 4442430390. Its totient is φ = 4442430388.

The previous prime is 4442430383. The next prime is 4442430431. The reversal of 4442430389 is 9830342444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4113298225 + 329132164 = 64135^2 + 18142^2 .

It is a cyclic number.

It is not a de Polignac number, because 4442430389 - 212 = 4442426293 is a prime.

It is a super-2 number, since 2×44424303892 = 39470375522221382642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442430383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221215194 + 2221215195.

It is an arithmetic number, because the mean of its divisors is an integer number (2221215195).

Almost surely, 24442430389 is an apocalyptic number.

It is an amenable number.

4442430389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442430389 is an equidigital number, since it uses as much as digits as its factorization.

4442430389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 41.

The square root of 4442430389 is about 66651.5595391436. The cubic root of 4442430389 is about 1643.8929909698.

The spelling of 4442430389 in words is "four billion, four hundred forty-two million, four hundred thirty thousand, three hundred eighty-nine".