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1442443003 = 10325435507
BaseRepresentation
bin101010111111001…
…1110111011111011
310201112012200210221
41111332132323323
510423231134003
6355044320511
750513364121
oct12576367373
93645180727
101442443003
11680248861
123430a3137
1319cabc291
14d97dd911
158697a7bd
hex55f9eefb

1442443003 has 8 divisors (see below), whose sum is σ = 1457284608. Its totient is φ = 1427617704.

The previous prime is 1442443001. The next prime is 1442443049. The reversal of 1442443003 is 3003442441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442443003 - 21 = 1442443001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442443001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259176 + ... + 264682.

It is an arithmetic number, because the mean of its divisors is an integer number (182160576).

Almost surely, 21442443003 is an apocalyptic number.

1442443003 is a deficient number, since it is larger than the sum of its proper divisors (14841605).

1442443003 is a wasteful number, since it uses less digits than its factorization.

1442443003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1442443003 is about 37979.5076719012. The cubic root of 1442443003 is about 1129.8814721529.

Adding to 1442443003 its reverse (3003442441), we get a palindrome (4445885444).

The spelling of 1442443003 in words is "one billion, four hundred forty-two million, four hundred forty-three thousand, three".

Divisors: 1 103 2543 5507 261929 567221 14004301 1442443003