Search a number
-
+
430242041 = 676421523
BaseRepresentation
bin11001101001001…
…111100011111001
31002222120120010102
4121221033203321
51340120221131
6110405325145
713442665655
oct3151174371
91088516112
10430242041
11200951239
121001067b5
136b19c7b8
14411d7a65
1527b891cb
hex19a4f8f9

430242041 has 4 divisors (see below), whose sum is σ = 436663632. Its totient is φ = 423820452.

The previous prime is 430242017. The next prime is 430242049. The reversal of 430242041 is 140242034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140242034 = 270121017.

It is a cyclic number.

It is not a de Polignac number, because 430242041 - 210 = 430241017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430242049) by changing a digit.

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, 3210695 + ... + 3210828.

It is an arithmetic number, because the mean of its divisors is an integer number (109165908).

Almost surely, 2430242041 is an apocalyptic number.

It is an amenable number.

430242041 is a deficient number, since it is larger than the sum of its proper divisors (6421591).

430242041 is an equidigital number, since it uses as much as digits as its factorization.

430242041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421590.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 430242041 is about 20742.2766590362. The cubic root of 430242041 is about 754.9258240359.

Adding to 430242041 its reverse (140242034), we get a palindrome (570484075).

The spelling of 430242041 in words is "four hundred thirty million, two hundred forty-two thousand, forty-one".

Divisors: 1 67 6421523 430242041