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440311141 = 1699259159
BaseRepresentation
bin11010001111101…
…001110101100101
31010200112010100001
4122033221311211
51400204424031
6111405221301
713624403644
oct3217516545
91120463301
10440311141
112065a9306
12103561831
13702b694a
144269935b
15289c7861
hex1a3e9d65

440311141 has 4 divisors (see below), whose sum is σ = 440572000. Its totient is φ = 440050284.

The previous prime is 440311139. The next prime is 440311153. The reversal of 440311141 is 141113044.

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.

It is a cyclic number.

It is not a de Polignac number, because 440311141 - 21 = 440311139 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 (440311171) 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 3 ways as a sum of consecutive naturals, for example, 127881 + ... + 131278.

It is an arithmetic number, because the mean of its divisors is an integer number (110143000).

Almost surely, 2440311141 is an apocalyptic number.

It is an amenable number.

440311141 is a deficient number, since it is larger than the sum of its proper divisors (260859).

440311141 is a wasteful number, since it uses less digits than its factorization.

440311141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260858.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 440311141 is about 20983.5921853242. The cubic root of 440311141 is about 760.7697308845.

Adding to 440311141 its reverse (141113044), we get a palindrome (581424185).

The spelling of 440311141 in words is "four hundred forty million, three hundred eleven thousand, one hundred forty-one".

Divisors: 1 1699 259159 440311141