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442876311 = 3249208479
BaseRepresentation
bin11010011001011…
…100000110010111
31010212100110002100
4122121130012113
51401334020221
6111540213143
713655246403
oct3231340627
91125313070
10442876311
11207aa0589
1210439a1b3
13709a43b7
1442b66103
1528d32926
hex1a65c197

442876311 has 6 divisors (see below), whose sum is σ = 639710240. Its totient is φ = 295250868.

The previous prime is 442876289. The next prime is 442876349. The reversal of 442876311 is 113678244.

It is not a de Polignac number, because 442876311 - 25 = 442876279 is a prime.

It is a super-2 number, since 2×4428763112 = 392278853689937442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442871311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24604231 + ... + 24604248.

Almost surely, 2442876311 is an apocalyptic number.

442876311 is a deficient number, since it is larger than the sum of its proper divisors (196833929).

442876311 is a wasteful number, since it uses less digits than its factorization.

442876311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49208485 (or 49208482 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 442876311 is about 21044.6266538516. The cubic root of 442876311 is about 762.2442383630.

The spelling of 442876311 in words is "four hundred forty-two million, eight hundred seventy-six thousand, three hundred eleven".

Divisors: 1 3 9 49208479 147625437 442876311