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440442002 = 2711131911579
BaseRepresentation
bin11010010000001…
…001110010010010
31010200202202211202
4122100021302102
51400223121002
6111412111202
713625460320
oct3220116222
91120682752
10440442002
11206688660
12103605502
1370331390
14426d0d10
1528a01502
hex1a409c92

440442002 has 64 divisors (see below), whose sum is σ = 933811200. Its totient is φ = 150050880.

The previous prime is 440441993. The next prime is 440442007. The reversal of 440442002 is 200244044.

It is not an unprimeable number, because it can be changed into a prime (440442007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32249 + ... + 43827.

It is an arithmetic number, because the mean of its divisors is an integer number (14590800).

Almost surely, 2440442002 is an apocalyptic number.

440442002 is an abundant number, since it is smaller than the sum of its proper divisors (493369198).

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

440442002 is a wasteful number, since it uses less digits than its factorization.

440442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 440442002 is about 20986.7101280787. The cubic root of 440442002 is about 760.8450906453.

Adding to 440442002 its reverse (200244044), we get a palindrome (640686046).

The spelling of 440442002 in words is "four hundred forty million, four hundred forty-two thousand, two".

Divisors: 1 2 7 11 13 14 19 22 26 38 77 91 133 143 154 182 209 247 266 286 418 494 1001 1463 1729 2002 2717 2926 3458 5434 11579 19019 23158 38038 81053 127369 150527 162106 220001 254738 301054 440002 891583 1053689 1540007 1655797 1783166 2107378 2420011 2860013 3080014 3311594 4840022 5720026 11590579 16940077 20020091 23181158 31460143 33880154 40040182 62920286 220221001 440442002