Search a number
-
+
1423474489 is a prime number
BaseRepresentation
bin101010011011000…
…0111111100111001
310200012111222220101
41110312013330321
510403402140424
6353125555401
750163222253
oct12466077471
93605458811
101423474489
116705724a8
12338875b61
13198baa4c8
14d70a2cd3
1584e80344
hex54d87f39

1423474489 has 2 divisors, whose sum is σ = 1423474490. Its totient is φ = 1423474488.

The previous prime is 1423474457. The next prime is 1423474553. The reversal of 1423474489 is 9844743241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1170187264 + 253287225 = 34208^2 + 15915^2 .

It is an emirp because it is prime and its reverse (9844743241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423474489 - 25 = 1423474457 is a prime.

It is a super-2 number, since 2×14234744892 = 4052559241667622242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1423472489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711737244 + 711737245.

It is an arithmetic number, because the mean of its divisors is an integer number (711737245).

Almost surely, 21423474489 is an apocalyptic number.

It is an amenable number.

1423474489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423474489 is an equidigital number, since it uses as much as digits as its factorization.

1423474489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The square root of 1423474489 is about 37728.9608788792. The cubic root of 1423474489 is about 1124.9068535884.

The spelling of 1423474489 in words is "one billion, four hundred twenty-three million, four hundred seventy-four thousand, four hundred eighty-nine".