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420334422 = 2370055737
BaseRepresentation
bin11001000011011…
…100101101010110
31002021221012102120
4121003130231112
51330101200142
6105413120410
713262532534
oct3103345526
91067835376
10420334422
111a62a4522
12b8929106
1369110cc1
143db79154
1526d7d7ec
hex190dcb56

420334422 has 8 divisors (see below), whose sum is σ = 840668856. Its totient is φ = 140111472.

The previous prime is 420334403. The next prime is 420334429. The reversal of 420334422 is 224433024.

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

420334422 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 420334392 and 420334401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420334429) 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, 35027863 + ... + 35027874.

It is an arithmetic number, because the mean of its divisors is an integer number (105083607).

Almost surely, 2420334422 is an apocalyptic number.

420334422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420334422 is a wasteful number, since it uses less digits than its factorization.

420334422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70055742.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 420334422 is about 20502.0589697718. The cubic root of 420334422 is about 749.0859513616.

Adding to 420334422 its reverse (224433024), we get a palindrome (644767446).

The spelling of 420334422 in words is "four hundred twenty million, three hundred thirty-four thousand, four hundred twenty-two".

Divisors: 1 2 3 6 70055737 140111474 210167211 420334422