Search a number
-
+
564774109 is a prime number
BaseRepresentation
bin100001101010011…
…100010011011101
31110100201111102121
4201222130103131
52124040232414
6132013022541
716665333514
oct4152342335
91410644377
10564774109
1126a889169
12139184a51
1390014083
145501767b
15348b0724
hex21a9c4dd

564774109 has 2 divisors, whose sum is σ = 564774110. Its totient is φ = 564774108.

The previous prime is 564774103. The next prime is 564774121. The reversal of 564774109 is 901477465.

564774109 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., 534765625 + 30008484 = 23125^2 + 5478^2 .

It is a cyclic number.

It is not a de Polignac number, because 564774109 - 29 = 564773597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564774103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282387054 + 282387055.

It is an arithmetic number, because the mean of its divisors is an integer number (282387055).

Almost surely, 2564774109 is an apocalyptic number.

It is an amenable number.

564774109 is a deficient number, since it is larger than the sum of its proper divisors (1).

564774109 is an equidigital number, since it uses as much as digits as its factorization.

564774109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 564774109 is about 23764.9765200810. The cubic root of 564774109 is about 826.5927523627.

The spelling of 564774109 in words is "five hundred sixty-four million, seven hundred seventy-four thousand, one hundred nine".