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1444574443 = 134173137271
BaseRepresentation
bin101011000011010…
…0111010011101011
310201200012222121011
41112012213103223
510424302340233
6355202124351
750540452204
oct12606472353
93650188534
101444574443
11681474184
123439506b7
131a03874a0
14d9bd65ab
1586c4c0cd
hex561a74eb

1444574443 has 32 divisors (see below), whose sum is σ = 1633266432. Its totient is φ = 1269043200.

The previous prime is 1444574441. The next prime is 1444574459. The reversal of 1444574443 is 3444754441.

It is a cyclic number.

It is not a de Polignac number, because 1444574443 - 21 = 1444574441 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444574396 and 1444574405.

It is not an unprimeable number, because it can be changed into a prime (1444574441) 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 31 ways as a sum of consecutive naturals, for example, 5330398 + ... + 5330668.

It is an arithmetic number, because the mean of its divisors is an integer number (51039576).

Almost surely, 21444574443 is an apocalyptic number.

1444574443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1444574443 is a deficient number, since it is larger than the sum of its proper divisors (188691989).

1444574443 is a wasteful number, since it uses less digits than its factorization.

1444574443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535.

The product of its digits is 430080, while the sum is 40.

The square root of 1444574443 is about 38007.5577089610. The cubic root of 1444574443 is about 1130.4377250584.

It can be divided in two parts, 14445 and 74443, that added together give a palindrome (88888).

The spelling of 1444574443 in words is "one billion, four hundred forty-four million, five hundred seventy-four thousand, four hundred forty-three".

Divisors: 1 13 41 73 137 271 533 949 1781 2993 3523 5617 10001 11111 19783 37127 38909 73021 130013 144443 257179 410041 482651 811103 1522207 2710271 5330533 10544339 19788691 35233523 111121111 1444574443