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430234253 = 448196013
BaseRepresentation
bin11001101001001…
…101101010001101
31002222120011102222
4121221031222031
51340114444003
6110405225125
713442634161
oct3151155215
91088504388
10430234253
112009463a9
121001021a5
136b1990a7
14411d4ca1
1527b86c38
hex19a4da8d

430234253 has 4 divisors (see below), whose sum is σ = 430334748. Its totient is φ = 430133760.

The previous prime is 430234229. The next prime is 430234289. The reversal of 430234253 is 352432034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 371834089 + 58400164 = 19283^2 + 7642^2 .

It is a cyclic number.

It is not a de Polignac number, because 430234253 - 28 = 430233997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430234223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43526 + ... + 52487.

It is an arithmetic number, because the mean of its divisors is an integer number (107583687).

Almost surely, 2430234253 is an apocalyptic number.

It is an amenable number.

430234253 is a deficient number, since it is larger than the sum of its proper divisors (100495).

430234253 is an equidigital number, since it uses as much as digits as its factorization.

430234253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100494.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 430234253 is about 20742.0889256603. The cubic root of 430234253 is about 754.9212689272.

Adding to 430234253 its reverse (352432034), we get a palindrome (782666287).

The spelling of 430234253 in words is "four hundred thirty million, two hundred thirty-four thousand, two hundred fifty-three".

Divisors: 1 4481 96013 430234253