Search a number
-
+
489294361 is a prime number
BaseRepresentation
bin11101001010100…
…000101000011001
31021002200201200101
4131022200220121
52000224404421
6120315135401
715060635113
oct3512405031
91232621611
10489294361
11231215106
12117a44561
137a4a72ba
1448daa3b3
152ce51191
hex1d2a0a19

489294361 has 2 divisors, whose sum is σ = 489294362. Its totient is φ = 489294360.

The previous prime is 489294353. The next prime is 489294413. The reversal of 489294361 is 163492984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290907136 + 198387225 = 17056^2 + 14085^2 .

It is a cyclic number.

It is not a de Polignac number, because 489294361 - 23 = 489294353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489294331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244647180 + 244647181.

It is an arithmetic number, because the mean of its divisors is an integer number (244647181).

Almost surely, 2489294361 is an apocalyptic number.

It is an amenable number.

489294361 is a deficient number, since it is larger than the sum of its proper divisors (1).

489294361 is an equidigital number, since it uses as much as digits as its factorization.

489294361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 489294361 is about 22119.9991184448. Note that the first 3 decimals coincide. The cubic root of 489294361 is about 787.9948942998.

The spelling of 489294361 in words is "four hundred eighty-nine million, two hundred ninety-four thousand, three hundred sixty-one".