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424342231 = 8329317449
BaseRepresentation
bin11001010010101…
…111001011010111
31002120110211002221
4121102233023113
51332112422411
6110035043211
713341564235
oct3122571327
91076424087
10424342231
111a8591665
12ba140507
1369bb52a1
14404dd955
15273c1071
hex194af2d7

424342231 has 8 divisors (see below), whose sum is σ = 430945200. Its totient is φ = 417774912.

The previous prime is 424342213. The next prime is 424342271. The reversal of 424342231 is 132243424.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 424342231 - 25 = 424342199 is a prime.

It is a super-2 number, since 2×4243422312 = 360132658020114722, 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 = 424342196 and 424342205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424342271) 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 7 ways as a sum of consecutive naturals, for example, 15595 + ... + 33043.

It is an arithmetic number, because the mean of its divisors is an integer number (53868150).

Almost surely, 2424342231 is an apocalyptic number.

424342231 is a deficient number, since it is larger than the sum of its proper divisors (6602969).

424342231 is a wasteful number, since it uses less digits than its factorization.

424342231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825.

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

The square root of 424342231 is about 20599.5687090774. The cubic root of 424342231 is about 751.4592218689.

Adding to 424342231 its reverse (132243424), we get a palindrome (556585655).

The spelling of 424342231 in words is "four hundred twenty-four million, three hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 83 293 17449 24319 1448267 5112557 424342231