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144104441 = 132852689
BaseRepresentation
bin10001001011011…
…01101111111001
3101001011021010112
420211231233321
5243342320231
622144354105
73366603365
oct1045555771
9331137115
10144104441
1174385888
1240315935
1323b16600
14151d22a5
15c9b792b
hex896dbf9

144104441 has 6 divisors (see below), whose sum is σ = 156042270. Its totient is φ = 133019328.

The previous prime is 144104437. The next prime is 144104473. The reversal of 144104441 is 144401441.

It can be written as a sum of positive squares in 3 ways, for example, as 14600041 + 129504400 = 3821^2 + 11380^2 .

It is not a de Polignac number, because 144104441 - 22 = 144104437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144104141) 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 5 ways as a sum of consecutive naturals, for example, 426176 + ... + 426513.

It is an arithmetic number, because the mean of its divisors is an integer number (26007045).

Almost surely, 2144104441 is an apocalyptic number.

It is an amenable number.

144104441 is a deficient number, since it is larger than the sum of its proper divisors (11937829).

144104441 is an equidigital number, since it uses as much as digits as its factorization.

144104441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852715 (or 852702 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 144104441 is about 12004.3509195625. The cubic root of 144104441 is about 524.2749671313.

Adding to 144104441 its reverse (144401441), we get a palindrome (288505882).

The spelling of 144104441 in words is "one hundred forty-four million, one hundred four thousand, four hundred forty-one".

Divisors: 1 13 169 852689 11084957 144104441