Search a number
-
+
489614693 is a prime number
BaseRepresentation
bin11101001011101…
…110110101100101
31021010022000002112
4131023232311211
52000320132233
6120330050405
715063441041
oct3513566545
91233260075
10489614693
11231413847
12117b79a05
137a58a049
1449051021
152ceb6048
hex1d2eed65

489614693 has 2 divisors, whose sum is σ = 489614694. Its totient is φ = 489614692.

The previous prime is 489614687. The next prime is 489614729. The reversal of 489614693 is 396416984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455310244 + 34304449 = 21338^2 + 5857^2 .

It is a cyclic number.

It is not a de Polignac number, because 489614693 - 216 = 489549157 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489614623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244807346 + 244807347.

It is an arithmetic number, because the mean of its divisors is an integer number (244807347).

Almost surely, 2489614693 is an apocalyptic number.

It is an amenable number.

489614693 is a deficient number, since it is larger than the sum of its proper divisors (1).

489614693 is an equidigital number, since it uses as much as digits as its factorization.

489614693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 50.

The square root of 489614693 is about 22127.2387115971. The cubic root of 489614693 is about 788.1668186980.

The spelling of 489614693 in words is "four hundred eighty-nine million, six hundred fourteen thousand, six hundred ninety-three".