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1444054543 = 5119282097
BaseRepresentation
bin101011000010010…
…1000011000001111
310201122020120102121
41112010220120033
510424134221133
6355143033411
750533155361
oct12604503017
93648216377
101444054543
11681149608
1234373b867
131a0234959
14d9adcd31
1586b9802d
hex5612860f

1444054543 has 4 divisors (see below), whose sum is σ = 1444341760. Its totient is φ = 1443767328.

The previous prime is 1444054489. The next prime is 1444054561. The reversal of 1444054543 is 3454504441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3454504441 = 15722003213.

It is a cyclic number.

It is not a de Polignac number, because 1444054543 - 225 = 1410500111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444054499 and 1444054508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444054343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135930 + ... + 146167.

It is an arithmetic number, because the mean of its divisors is an integer number (361085440).

Almost surely, 21444054543 is an apocalyptic number.

1444054543 is a deficient number, since it is larger than the sum of its proper divisors (287217).

1444054543 is an equidigital number, since it uses as much as digits as its factorization.

1444054543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287216.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 1444054543 is about 38000.7176642758. The cubic root of 1444054543 is about 1130.3020945512.

Adding to 1444054543 its reverse (3454504441), we get a palindrome (4898558984).

The spelling of 1444054543 in words is "one billion, four hundred forty-four million, fifty-four thousand, five hundred forty-three".

Divisors: 1 5119 282097 1444054543