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1444325405 = 5514756123
BaseRepresentation
bin101011000010110…
…1010100000011101
310201122202022222112
41112011222200131
510424221403110
6355152523405
750535364145
oct12605524035
93648668875
101444325405
11681314066
12343850565
131a02cb023
14d9b6d925
1586bed405
hex5616a81d

1444325405 has 8 divisors (see below), whose sum is σ = 1733558112. Its totient is φ = 1155215248.

The previous prime is 1444325357. The next prime is 1444325437. The reversal of 1444325405 is 5045234441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444325405 - 224 = 1427548189 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2327 + ... + 53796.

It is an arithmetic number, because the mean of its divisors is an integer number (216694764).

Almost surely, 21444325405 is an apocalyptic number.

It is an amenable number.

1444325405 is a deficient number, since it is larger than the sum of its proper divisors (289232707).

1444325405 is an equidigital number, since it uses as much as digits as its factorization.

1444325405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61275.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1444325405 is about 38004.2814035472. The cubic root of 1444325405 is about 1130.3727605676.

Adding to 1444325405 its reverse (5045234441), we get a palindrome (6489559846).

The spelling of 1444325405 in words is "one billion, four hundred forty-four million, three hundred twenty-five thousand, four hundred five".

Divisors: 1 5 5147 25735 56123 280615 288865081 1444325405