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442544982 = 23116705227
BaseRepresentation
bin11010011000001…
…011001101010110
31010211201121120220
4122120023031112
51401242414412
6111525135210
713652366415
oct3230131526
91124647526
10442544982
11207894660
1210425a506
13708b9649
1442abb47c
1528cb968c
hex1a60b356

442544982 has 16 divisors (see below), whose sum is σ = 965552832. Its totient is φ = 134104520.

The previous prime is 442544957. The next prime is 442544987. The reversal of 442544982 is 289445244.

It is a super-2 number, since 2×4425449822 = 391692122186760648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442544987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3352548 + ... + 3352679.

It is an arithmetic number, because the mean of its divisors is an integer number (60347052).

Almost surely, 2442544982 is an apocalyptic number.

442544982 is an abundant number, since it is smaller than the sum of its proper divisors (523007850).

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

442544982 is a wasteful number, since it uses less digits than its factorization.

442544982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705243.

The product of its digits is 368640, while the sum is 42.

The square root of 442544982 is about 21036.7531239971. The cubic root of 442544982 is about 762.0541050442.

The spelling of 442544982 in words is "four hundred forty-two million, five hundred forty-four thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 11 22 33 66 6705227 13410454 20115681 40231362 73757497 147514994 221272491 442544982