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1442443404 = 223177070801
BaseRepresentation
bin101010111111001…
…1111000010001100
310201112012201100210
41111332133002030
510423231142104
6355044322420
750513365233
oct12576370214
93645181323
101442443404
11680249096
123430a3410
1319cabc50c
14d97ddb1a
158697a989
hex55f9f08c

1442443404 has 24 divisors (see below), whose sum is σ = 3563684208. Its totient is φ = 452531200.

The previous prime is 1442443403. The next prime is 1442443417. The reversal of 1442443404 is 4043442441.

It is not an unprimeable number, because it can be changed into a prime (1442443403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535197 + ... + 3535604.

It is an arithmetic number, because the mean of its divisors is an integer number (148486842).

Almost surely, 21442443404 is an apocalyptic number.

It is an amenable number.

1442443404 is an abundant number, since it is smaller than the sum of its proper divisors (2121240804).

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

1442443404 is a wasteful number, since it uses less digits than its factorization.

1442443404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070825 (or 7070823 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 1442443404 is about 37979.5129510635. The cubic root of 1442443404 is about 1129.8815768554.

Adding to 1442443404 its reverse (4043442441), we get a palindrome (5485885845).

The spelling of 1442443404 in words is "one billion, four hundred forty-two million, four hundred forty-three thousand, four hundred four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 7070801 14141602 21212403 28283204 42424806 84849612 120203617 240407234 360610851 480814468 721221702 1442443404