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442849072 = 2431188997
BaseRepresentation
bin11010011001010…
…101011100110000
31010212022001201111
4122121111130300
51401332132242
6111535443104
713655104111
oct3231253460
91125261644
10442849072
11207a82076
12104386494
1370994b93
1442b5a208
1528d29817
hex1a655730

442849072 has 20 divisors (see below), whose sum is σ = 860788656. Its totient is φ = 220710080.

The previous prime is 442849063. The next prime is 442849123. The reversal of 442849072 is 270948244.

It is a super-2 number, since 2×4428490722 = 392230601142522368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39523 + ... + 49474.

Almost surely, 2442849072 is an apocalyptic number.

It is an amenable number.

442849072 is a deficient number, since it is larger than the sum of its proper divisors (417939584).

442849072 is a wasteful number, since it uses less digits than its factorization.

442849072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89316 (or 89310 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 442849072 is about 21043.9794715733. The cubic root of 442849072 is about 762.2286108270.

The spelling of 442849072 in words is "four hundred forty-two million, eight hundred forty-nine thousand, seventy-two".

Divisors: 1 2 4 8 16 311 622 1244 2488 4976 88997 177994 355988 711976 1423952 27678067 55356134 110712268 221424536 442849072