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434549081 is a prime number
BaseRepresentation
bin11001111001101…
…011000101011001
31010021200101021102
4121321223011121
51342221032311
6111041521145
713524414641
oct3171530531
91107611242
10434549081
1120332317a
121016431b5
136c04a045
14419d9521
152823a43b
hex19e6b159

434549081 has 2 divisors, whose sum is σ = 434549082. Its totient is φ = 434549080.

The previous prime is 434549033. The next prime is 434549117. The reversal of 434549081 is 180945434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433305856 + 1243225 = 20816^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 434549081 - 214 = 434532697 is a prime.

It is a super-2 number, since 2×4345490812 = 377665807595889122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434549681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217274540 + 217274541.

It is an arithmetic number, because the mean of its divisors is an integer number (217274541).

Almost surely, 2434549081 is an apocalyptic number.

It is an amenable number.

434549081 is a deficient number, since it is larger than the sum of its proper divisors (1).

434549081 is an equidigital number, since it uses as much as digits as its factorization.

434549081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 434549081 is about 20845.8408561516. The cubic root of 434549081 is about 757.4365857301.

The spelling of 434549081 in words is "four hundred thirty-four million, five hundred forty-nine thousand, eighty-one".