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442441412 = 22737427067
BaseRepresentation
bin11010010111110…
…001111011000100
31010211112100111222
4122113301323010
51401231111122
6111523015512
713651455440
oct3227617304
91124470458
10442441412
11207823866
1210420a598
137088146a
1442a91820
1528c98b42
hex1a5f1ec4

442441412 has 24 divisors (see below), whose sum is σ = 908800704. Its totient is φ = 184492512.

The previous prime is 442441327. The next prime is 442441453. The reversal of 442441412 is 214144244.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212498 + ... + 214569.

It is an arithmetic number, because the mean of its divisors is an integer number (37866696).

Almost surely, 2442441412 is an apocalyptic number.

It is an amenable number.

442441412 is an abundant number, since it is smaller than the sum of its proper divisors (466359292).

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

442441412 is a wasteful number, since it uses less digits than its factorization.

442441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427115 (or 427113 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 442441412 is about 21034.2913358164. The cubic root of 442441412 is about 761.9946518777.

Adding to 442441412 its reverse (214144244), we get a palindrome (656585656).

The spelling of 442441412 in words is "four hundred forty-two million, four hundred forty-one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 427067 854134 1708268 2989469 5978938 11957876 15801479 31602958 63205916 110610353 221220706 442441412