Search a number
-
+
557411389 is a prime number
BaseRepresentation
bin100001001110010…
…110110000111101
31102211212102200021
4201032112300331
52120144131024
6131151132141
716545630043
oct4116266075
91384772607
10557411389
1126670a477
12136814051
138b636a32
145405c393
1533e08de4
hex21396c3d

557411389 has 2 divisors, whose sum is σ = 557411390. Its totient is φ = 557411388.

The previous prime is 557411381. The next prime is 557411447. The reversal of 557411389 is 983114755.

557411389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462680100 + 94731289 = 21510^2 + 9733^2 .

It is a cyclic number.

It is not a de Polignac number, because 557411389 - 23 = 557411381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557411381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278705694 + 278705695.

It is an arithmetic number, because the mean of its divisors is an integer number (278705695).

Almost surely, 2557411389 is an apocalyptic number.

It is an amenable number.

557411389 is a deficient number, since it is larger than the sum of its proper divisors (1).

557411389 is an equidigital number, since it uses as much as digits as its factorization.

557411389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 557411389 is about 23609.5613894032. The cubic root of 557411389 is about 822.9850498296.

The spelling of 557411389 in words is "five hundred fifty-seven million, four hundred eleven thousand, three hundred eighty-nine".