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434221049 is a prime number
BaseRepresentation
bin11001111000011…
…010111111111001
31010021001201022002
4121320122333321
51342130033144
6111030510345
713521550403
oct3170327771
91107051262
10434221049
11203119779
121015053b5
136bc63942
1441951b73
15281c314e
hex19e1aff9

434221049 has 2 divisors, whose sum is σ = 434221050. Its totient is φ = 434221048.

The previous prime is 434220977. The next prime is 434221063. The reversal of 434221049 is 940122434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287641600 + 146579449 = 16960^2 + 12107^2 .

It is a cyclic number.

It is not a de Polignac number, because 434221049 - 212 = 434216953 is a prime.

It is not a weakly prime, because it can be changed into another prime (434221549) 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, 217110524 + 217110525.

It is an arithmetic number, because the mean of its divisors is an integer number (217110525).

Almost surely, 2434221049 is an apocalyptic number.

It is an amenable number.

434221049 is a deficient number, since it is larger than the sum of its proper divisors (1).

434221049 is an equidigital number, since it uses as much as digits as its factorization.

434221049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 434221049 is about 20837.9713264032. The cubic root of 434221049 is about 757.2459467473.

The spelling of 434221049 in words is "four hundred thirty-four million, two hundred twenty-one thousand, forty-nine".