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442243411 = 19210911239
BaseRepresentation
bin11010010111000…
…001100101010011
31010211011021220121
4122113001211103
51401203242121
6111514451111
713650002251
oct3227014523
91124137817
10442243411
112076a9025
12104133a97
13708122bc
1442a3d5d1
1528c5a141
hex1a5c1953

442243411 has 12 divisors (see below), whose sum is σ = 471068400. Its totient is φ = 415086768.

The previous prime is 442243397. The next prime is 442243421. The reversal of 442243411 is 114342244.

It is not a de Polignac number, because 442243411 - 217 = 442112339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442243421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33730 + ... + 44968.

It is an arithmetic number, because the mean of its divisors is an integer number (39255700).

Almost surely, 2442243411 is an apocalyptic number.

442243411 is a deficient number, since it is larger than the sum of its proper divisors (28824989).

442243411 is a wasteful number, since it uses less digits than its factorization.

442243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11367 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 442243411 is about 21029.5841851426. The cubic root of 442243411 is about 761.8809658535.

Adding to 442243411 its reverse (114342244), we get a palindrome (556585655).

The spelling of 442243411 in words is "four hundred forty-two million, two hundred forty-three thousand, four hundred eleven".

Divisors: 1 19 109 361 2071 11239 39349 213541 1225051 4057279 23275969 442243411