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2440241309 = 11221840119
BaseRepresentation
bin1001000101110011…
…0010000010011101
320022001202002202202
42101130302002131
514444200210214
61042050501245
7114320465102
oct22134620235
96261662682
102440241309
1110424a8460
12581294825
132cb73828c
14192136aa9
15e43746de
hex9173209d

2440241309 has 4 divisors (see below), whose sum is σ = 2662081440. Its totient is φ = 2218401180.

The previous prime is 2440241273. The next prime is 2440241311. The reversal of 2440241309 is 9031420442.

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 2440241309 - 28 = 2440241053 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 (2440241329) 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, 110920049 + ... + 110920070.

It is an arithmetic number, because the mean of its divisors is an integer number (665520360).

Almost surely, 22440241309 is an apocalyptic number.

It is an amenable number.

2440241309 is a deficient number, since it is larger than the sum of its proper divisors (221840131).

2440241309 is a wasteful number, since it uses less digits than its factorization.

2440241309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221840130.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2440241309 is about 49398.7986594816. The cubic root of 2440241309 is about 1346.3074785095.

The spelling of 2440241309 in words is "two billion, four hundred forty million, two hundred forty-one thousand, three hundred nine".

Divisors: 1 11 221840119 2440241309