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1444311053 = 13910390727
BaseRepresentation
bin101011000010110…
…0111000000001101
310201122201121021222
41112011213000031
510424220423203
6355152333125
750535304253
oct12605470015
93648647258
101444311053
116813042a9
123438441a5
131a02c4633
14d9b685d3
1586be9038
hex5616700d

1444311053 has 4 divisors (see below), whose sum is σ = 1454701920. Its totient is φ = 1433920188.

The previous prime is 1444311019. The next prime is 1444311073. The reversal of 1444311053 is 3501134441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3501134441 = 7500162063.

It is a cyclic number.

It is not a de Polignac number, because 1444311053 - 28 = 1444310797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444311073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5195225 + ... + 5195502.

It is an arithmetic number, because the mean of its divisors is an integer number (363675480).

Almost surely, 21444311053 is an apocalyptic number.

It is an amenable number.

1444311053 is a deficient number, since it is larger than the sum of its proper divisors (10390867).

1444311053 is a wasteful number, since it uses less digits than its factorization.

1444311053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390866.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1444311053 is about 38004.0925822470. The cubic root of 1444311053 is about 1130.3690164520.

Adding to 1444311053 its reverse (3501134441), we get a palindrome (4945445494).

The spelling of 1444311053 in words is "one billion, four hundred forty-four million, three hundred eleven thousand, fifty-three".

Divisors: 1 139 10390727 1444311053