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1444563614 = 21355560139
BaseRepresentation
bin101011000011010…
…0100101010011110
310201200012102202002
41112012210222132
510424302013424
6355202002302
750540405504
oct12606445236
93650172662
101444563614
1168146702a
12343946392
131a0382590
14d9bd2674
1586c48cae
hex561a4a9e

1444563614 has 8 divisors (see below), whose sum is σ = 2333525880. Its totient is φ = 666721656.

The previous prime is 1444563563. The next prime is 1444563647. The reversal of 1444563614 is 4163654441.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27780044 + ... + 27780095.

It is an arithmetic number, because the mean of its divisors is an integer number (291690735).

Almost surely, 21444563614 is an apocalyptic number.

1444563614 is a deficient number, since it is larger than the sum of its proper divisors (888962266).

1444563614 is a wasteful number, since it uses less digits than its factorization.

1444563614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55560154.

The product of its digits is 138240, while the sum is 38.

The square root of 1444563614 is about 38007.4152501851. The cubic root of 1444563614 is about 1130.4349003417.

It can be divided in two parts, 144456361 and 4, that multiplied together give a square (577825444 = 240382).

The spelling of 1444563614 in words is "one billion, four hundred forty-four million, five hundred sixty-three thousand, six hundred fourteen".

Divisors: 1 2 13 26 55560139 111120278 722281807 1444563614