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430404442 = 21316554017
BaseRepresentation
bin11001101001110…
…111001101011010
31002222212210220021
4121221313031122
51340140420232
6110413021054
713444243306
oct3151671532
91088783807
10430404442
11200a52256
1210018478a
136b2286b0
144123ad06
1527bbc397
hex19a7735a

430404442 has 8 divisors (see below), whose sum is σ = 695268756. Its totient is φ = 198648192.

The previous prime is 430404439. The next prime is 430404503. The reversal of 430404442 is 244404034.

It can be written as a sum of positive squares in 2 ways, for example, as 305165961 + 125238481 = 17469^2 + 11191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8276983 + ... + 8277034.

Almost surely, 2430404442 is an apocalyptic number.

430404442 is a deficient number, since it is larger than the sum of its proper divisors (264864314).

430404442 is a wasteful number, since it uses less digits than its factorization.

430404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554032.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 430404442 is about 20746.1910238964. The cubic root of 430404442 is about 755.0207979301.

Adding to 430404442 its reverse (244404034), we get a palindrome (674808476).

The spelling of 430404442 in words is "four hundred thirty million, four hundred four thousand, four hundred forty-two".

Divisors: 1 2 13 26 16554017 33108034 215202221 430404442