Base | Representation |
---|---|
bin | 101010111111001… |
… | …1111000010110011 |
3 | 10201112012201102020 |
4 | 1111332133002303 |
5 | 10423231142233 |
6 | 355044322523 |
7 | 50513365320 |
oct | 12576370263 |
9 | 3645181366 |
10 | 1442443443 |
11 | 680249121 |
12 | 3430a3443 |
13 | 19cabc53c |
14 | d97ddb47 |
15 | 8697a9b3 |
hex | 55f9f0b3 |
1442443443 has 16 divisors (see below), whose sum is σ = 2201734656. Its totient is φ = 822856320.
The previous prime is 1442443439. The next prime is 1442443451. The reversal of 1442443443 is 3443442441.
It is not a de Polignac number, because 1442443443 - 22 = 1442443439 is a prime.
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 (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45463 + ... + 70368.
It is an arithmetic number, because the mean of its divisors is an integer number (137608416).
Almost surely, 21442443443 is an apocalyptic number.
1442443443 is a deficient number, since it is larger than the sum of its proper divisors (759291213).
1442443443 is a wasteful number, since it uses less digits than its factorization.
1442443443 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 116434.
The product of its digits is 73728, while the sum is 33.
The square root of 1442443443 is about 37979.5134644982. The cubic root of 1442443443 is about 1129.8815870385.
Adding to 1442443443 its reverse (3443442441), we get a palindrome (4885885884).
The spelling of 1442443443 in words is "one billion, four hundred forty-two million, four hundred forty-three thousand, four hundred forty-three".
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