Search a number
-
+
4238774741 is a prime number
BaseRepresentation
bin1111110010100110…
…1001000111010101
3101221102000001211002
43330221221013111
532140111242431
61540335353045
7210016663565
oct37451510725
911842001732
104238774741
111885750223
129a3682785
13527233946
142c2d4ada5
1519c1dd3cb
hexfca691d5

4238774741 has 2 divisors, whose sum is σ = 4238774742. Its totient is φ = 4238774740.

The previous prime is 4238774737. The next prime is 4238774779. The reversal of 4238774741 is 1474778324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4156509841 + 82264900 = 64471^2 + 9070^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238774741 - 22 = 4238774737 is a prime.

It is a super-2 number, since 2×42387747412 = 35934422609879234162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4238774341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119387370 + 2119387371.

It is an arithmetic number, because the mean of its divisors is an integer number (2119387371).

Almost surely, 24238774741 is an apocalyptic number.

It is an amenable number.

4238774741 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238774741 is an equidigital number, since it uses as much as digits as its factorization.

4238774741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1053696, while the sum is 47.

The square root of 4238774741 is about 65105.8733218440. The cubic root of 4238774741 is about 1618.3785459244.

The spelling of 4238774741 in words is "four billion, two hundred thirty-eight million, seven hundred seventy-four thousand, seven hundred forty-one".