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424324231 = 3791119589
BaseRepresentation
bin11001010010101…
…010110010000111
31002120102220102021
4121102222302013
51332111333411
6110034424011
713341460612
oct3122526207
91076386367
10424324231
111a857a091
12ba132007
1369baa036
14404d7179
15273baa71
hex194aac87

424324231 has 4 divisors (see below), whose sum is σ = 425444200. Its totient is φ = 423204264.

The previous prime is 424324213. The next prime is 424324291. The reversal of 424324231 is 132423424.

It is a happy number.

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 424324231 - 211 = 424322183 is a prime.

It is a super-2 number, since 2×4243242312 = 360102106027482722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424324196 and 424324205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424324291) 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, 559416 + ... + 560173.

It is an arithmetic number, because the mean of its divisors is an integer number (106361050).

Almost surely, 2424324231 is an apocalyptic number.

424324231 is a deficient number, since it is larger than the sum of its proper divisors (1119969).

424324231 is a wasteful number, since it uses less digits than its factorization.

424324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119968.

The product of its digits is 4608, while the sum is 25.

The square root of 424324231 is about 20599.1318020930. The cubic root of 424324231 is about 751.4485964379.

Adding to 424324231 its reverse (132423424), we get a palindrome (556747655).

The spelling of 424324231 in words is "four hundred twenty-four million, three hundred twenty-four thousand, two hundred thirty-one".

Divisors: 1 379 1119589 424324231