Search a number
-
+
434942657 is a prime number
BaseRepresentation
bin11001111011001…
…011001011000001
31010022102101011022
4121323023023001
51342321131112
6111054155225
713530644252
oct3173131301
91108371138
10434942657
11203571946
121017b2b15
136c157226
1441a9cb29
15282b6d72
hex19ecb2c1

434942657 has 2 divisors, whose sum is σ = 434942658. Its totient is φ = 434942656.

The previous prime is 434942597. The next prime is 434942689. The reversal of 434942657 is 756249434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362369296 + 72573361 = 19036^2 + 8519^2 .

It is a cyclic number.

It is not a de Polignac number, because 434942657 - 26 = 434942593 is a prime.

It is a super-2 number, since 2×4349426572 = 378350229756439298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434941657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217471328 + 217471329.

It is an arithmetic number, because the mean of its divisors is an integer number (217471329).

Almost surely, 2434942657 is an apocalyptic number.

It is an amenable number.

434942657 is a deficient number, since it is larger than the sum of its proper divisors (1).

434942657 is an equidigital number, since it uses as much as digits as its factorization.

434942657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 44.

The square root of 434942657 is about 20855.2788761023. The cubic root of 434942657 is about 757.6651896782.

The spelling of 434942657 in words is "four hundred thirty-four million, nine hundred forty-two thousand, six hundred fifty-seven".