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2040333305 = 5408066661
BaseRepresentation
bin111100110011101…
…0000001111111001
312021012020200010012
41321213100033321
513134311131210
6534243231305
7101363355413
oct17147201771
95235220105
102040333305
1195779567a
1248b378535
1326692981a
14154d979b3
15be1cd305
hex799d03f9

2040333305 has 4 divisors (see below), whose sum is σ = 2448399972. Its totient is φ = 1632266640.

The previous prime is 2040333301. The next prime is 2040333331. The reversal of 2040333305 is 5033330402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412049401 + 1628283904 = 20299^2 + 40352^2 .

It is not a de Polignac number, because 2040333305 - 22 = 2040333301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040333301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204033326 + ... + 204033335.

It is an arithmetic number, because the mean of its divisors is an integer number (612099993).

Almost surely, 22040333305 is an apocalyptic number.

It is an amenable number.

2040333305 is a deficient number, since it is larger than the sum of its proper divisors (408066667).

2040333305 is an equidigital number, since it uses as much as digits as its factorization.

2040333305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408066666.

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 2040333305 is about 45170.0487602128. The cubic root of 2040333305 is about 1268.3342090660.

Adding to 2040333305 its reverse (5033330402), we get a palindrome (7073663707).

The spelling of 2040333305 in words is "two billion, forty million, three hundred thirty-three thousand, three hundred five".

Divisors: 1 5 408066661 2040333305