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1444042413 = 321166122067
BaseRepresentation
bin101011000010010…
…0101011010101101
310201122012221210100
41112010211122231
510424133324123
6355142501313
750533105122
oct12604453255
93648187710
101444042413
11681140490
12343734839
131a022c288
14d9ad8749
1586b94643
hex561256ad

1444042413 has 24 divisors (see below), whose sum is σ = 2279006496. Its totient is φ = 873813600.

The previous prime is 1444042409. The next prime is 1444042423. The reversal of 1444042413 is 3142404441.

1444042413 is a `hidden beast` number, since 14 + 4 + 404 + 241 + 3 = 666.

It is not a de Polignac number, because 1444042413 - 22 = 1444042409 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444042423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54406 + ... + 76472.

It is an arithmetic number, because the mean of its divisors is an integer number (94958604).

Almost surely, 21444042413 is an apocalyptic number.

It is an amenable number.

1444042413 is a deficient number, since it is larger than the sum of its proper divisors (834964083).

1444042413 is a wasteful number, since it uses less digits than its factorization.

1444042413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22745 (or 22742 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1444042413 is about 38000.5580616917. The cubic root of 1444042413 is about 1130.2989297116.

Adding to 1444042413 its reverse (3142404441), we get a palindrome (4586446854).

The spelling of 1444042413 in words is "one billion, four hundred forty-four million, forty-two thousand, four hundred thirteen".

Divisors: 1 3 9 11 33 99 661 1983 5949 7271 21813 22067 65439 66201 198603 242737 728211 2184633 14586287 43758861 131276583 160449157 481347471 1444042413