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442112792 = 23115024009
BaseRepresentation
bin11010010110100…
…001101100011000
31010210220122201212
4122112201230120
51401140102132
6111512002252
713645616402
oct3226415430
91123818655
10442112792
11207619980
12104090388
1370797a04
1442a07b72
1528c315b2
hex1a5a1b18

442112792 has 16 divisors (see below), whose sum is σ = 904321800. Its totient is φ = 200960320.

The previous prime is 442112791. The next prime is 442112809. The reversal of 442112792 is 297211244.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442112791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511917 + ... + 2512092.

Almost surely, 2442112792 is an apocalyptic number.

It is an amenable number.

442112792 is an abundant number, since it is smaller than the sum of its proper divisors (462209008).

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

442112792 is a wasteful number, since it uses less digits than its factorization.

442112792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024026 (or 5024022 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 442112792 is about 21026.4783546841. The cubic root of 442112792 is about 761.8059499033.

The spelling of 442112792 in words is "four hundred forty-two million, one hundred twelve thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 11 22 44 88 5024009 10048018 20096036 40192072 55264099 110528198 221056396 442112792