Search a number
-
+
2438837893 is a prime number
BaseRepresentation
bin1001000101011101…
…1011011010000101
320021222002210122101
42101113123122011
514443320303033
61042000432101
7114302531362
oct22127333205
96258083571
102438837893
11104172a008
12580918631
132cb36655b
14191c8d469
15e419897d
hex915db685

2438837893 has 2 divisors, whose sum is σ = 2438837894. Its totient is φ = 2438837892.

The previous prime is 2438837881. The next prime is 2438837903. The reversal of 2438837893 is 3987388342.

2438837893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2179209124 + 259628769 = 46682^2 + 16113^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438837893 - 25 = 2438837861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2438837813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219418946 + 1219418947.

It is an arithmetic number, because the mean of its divisors is an integer number (1219418947).

Almost surely, 22438837893 is an apocalyptic number.

It is an amenable number.

2438837893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2438837893 is an equidigital number, since it uses as much as digits as its factorization.

2438837893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 55.

The square root of 2438837893 is about 49384.5916556976. The cubic root of 2438837893 is about 1346.0493357626.

The spelling of 2438837893 in words is "two billion, four hundred thirty-eight million, eight hundred thirty-seven thousand, eight hundred ninety-three".