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2440241009 = 12771910917
BaseRepresentation
bin1001000101110011…
…0001111101110001
320022001202002100122
42101130301331301
514444200203014
61042050500025
7114320464163
oct22134617561
96261662318
102440241009
1110424a8208
12581294615
132cb7380bb
14192136933
15e437458e
hex91731f71

2440241009 has 4 divisors (see below), whose sum is σ = 2442153204. Its totient is φ = 2438328816.

The previous prime is 2440240991. The next prime is 2440241053. The reversal of 2440241009 is 9001420442.

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 718240000 + 1722001009 = 26800^2 + 41497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2440241009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440241509) 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, 954182 + ... + 956735.

It is an arithmetic number, because the mean of its divisors is an integer number (610538301).

Almost surely, 22440241009 is an apocalyptic number.

It is an amenable number.

2440241009 is a deficient number, since it is larger than the sum of its proper divisors (1912195).

2440241009 is a wasteful number, since it uses less digits than its factorization.

2440241009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912194.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2440241009 is about 49398.7956229704. The cubic root of 2440241009 is about 1346.3074233385.

The spelling of 2440241009 in words is "two billion, four hundred forty million, two hundred forty-one thousand, nine".

Divisors: 1 1277 1910917 2440241009