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440134311 = 3315239049
BaseRepresentation
bin11010001110111…
…110101010100111
31010200012010202210
4122032332222213
51400133244221
6111401334503
713623036261
oct3216765247
91120163683
10440134311
11206498471
12103497433
1370254306
1442650b31
1528990276
hex1a3beaa7

440134311 has 16 divisors (see below), whose sum is σ = 607001600. Its totient is φ = 283383360.

The previous prime is 440134291. The next prime is 440134327. The reversal of 440134311 is 113431044.

It is not a de Polignac number, because 440134311 - 213 = 440126119 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 (440134381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44115 + ... + 53163.

It is an arithmetic number, because the mean of its divisors is an integer number (37937600).

Almost surely, 2440134311 is an apocalyptic number.

440134311 is a deficient number, since it is larger than the sum of its proper divisors (166867289).

440134311 is a wasteful number, since it uses less digits than its factorization.

440134311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 440134311 is about 20979.3782319686. The cubic root of 440134311 is about 760.6678749378.

Adding to 440134311 its reverse (113431044), we get a palindrome (553565355).

The spelling of 440134311 in words is "four hundred forty million, one hundred thirty-four thousand, three hundred eleven".

Divisors: 1 3 31 93 523 1569 9049 16213 27147 48639 280519 841557 4732627 14197881 146711437 440134311