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1444333493 = 31437691409
BaseRepresentation
bin101011000010110…
…1100011110110101
310201122202202002002
41112011230132311
510424222132433
6355153025045
750535426551
oct12605543665
93648682062
101444333493
1168131a149
12343855185
131a0301905
14d9b72861
1586c009e8
hex5616c7b5

1444333493 has 16 divisors (see below), whose sum is σ = 1528665600. Its totient is φ = 1362493440.

The previous prime is 1444333477. The next prime is 1444333519. The reversal of 1444333493 is 3943334441.

It is a cyclic number.

It is not a de Polignac number, because 1444333493 - 24 = 1444333477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444333403) 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 15 ways as a sum of consecutive naturals, for example, 1024373 + ... + 1025781.

It is an arithmetic number, because the mean of its divisors is an integer number (95541600).

Almost surely, 21444333493 is an apocalyptic number.

It is an amenable number.

1444333493 is a deficient number, since it is larger than the sum of its proper divisors (84332107).

1444333493 is a wasteful number, since it uses less digits than its factorization.

1444333493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 186624, while the sum is 38.

The square root of 1444333493 is about 38004.3878124619. The cubic root of 1444333493 is about 1130.3748705348.

The spelling of 1444333493 in words is "one billion, four hundred forty-four million, three hundred thirty-three thousand, four hundred ninety-three".

Divisors: 1 31 43 769 1333 1409 23839 33067 43679 60587 1025077 1083521 1878197 33589151 46591403 1444333493