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2438874019 = 10922374991
BaseRepresentation
bin1001000101011110…
…0100001110100011
320021222011122012101
42101113210032203
514443322432034
61042001311231
7114303041611
oct22127441643
96258148171
102438874019
11104175416a
12580935517
132cb379b2a
14191c9c6b1
15e41a4514
hex915e43a3

2438874019 has 4 divisors (see below), whose sum is σ = 2461249120. Its totient is φ = 2416498920.

The previous prime is 2438874013. The next prime is 2438874049. The reversal of 2438874019 is 9104788342.

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

It is a cyclic number.

It is not a de Polignac number, because 2438874019 - 27 = 2438873891 is a prime.

It is a super-2 number, since 2×24388740192 = 11896212961106424722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2438874019.

It is not an unprimeable number, because it can be changed into a prime (2438874013) 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, 11187387 + ... + 11187604.

It is an arithmetic number, because the mean of its divisors is an integer number (615312280).

Almost surely, 22438874019 is an apocalyptic number.

2438874019 is a deficient number, since it is larger than the sum of its proper divisors (22375101).

2438874019 is a wasteful number, since it uses less digits than its factorization.

2438874019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22375100.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2438874019 is about 49384.9574162011. The cubic root of 2438874019 is about 1346.0559819797.

The spelling of 2438874019 in words is "two billion, four hundred thirty-eight million, eight hundred seventy-four thousand, nineteen".

Divisors: 1 109 22374991 2438874019