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430243423 = 4310005661
BaseRepresentation
bin11001101001001…
…111111001011111
31002222120122000121
4121221033321133
51340120242143
6110405335411
713443003001
oct3151177137
91088518017
10430243423
11200952285
12100107567
136b1a030c
14411d8371
1527b897ed
hex19a4fe5f

430243423 has 4 divisors (see below), whose sum is σ = 440249128. Its totient is φ = 420237720.

The previous prime is 430243417. The next prime is 430243427. The reversal of 430243423 is 324342034.

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

It is a cyclic number.

It is not a de Polignac number, because 430243423 - 225 = 396688991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430243427) 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 in 3 ways as a sum of consecutive naturals, for example, 5002788 + ... + 5002873.

It is an arithmetic number, because the mean of its divisors is an integer number (110062282).

Almost surely, 2430243423 is an apocalyptic number.

430243423 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

430243423 is a deficient number, since it is larger than the sum of its proper divisors (10005705).

430243423 is a wasteful number, since it uses less digits than its factorization.

430243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005704.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 430243423 is about 20742.3099726139. The cubic root of 430243423 is about 754.9266323456.

Adding to 430243423 its reverse (324342034), we get a palindrome (754585457).

The spelling of 430243423 in words is "four hundred thirty million, two hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 43 10005661 430243423