Search a number
-
+
9689189 is a prime number
BaseRepresentation
bin100100111101…
…100001100101
3200020021001212
4210331201211
54440023224
6543401205
7145233236
oct44754145
920207055
109689189
1155186a4
1232b3205
132013263
14140308d
15cb5d0e
hex93d865

9689189 has 2 divisors, whose sum is σ = 9689190. Its totient is φ = 9689188.

The previous prime is 9689177. The next prime is 9689213. The reversal of 9689189 is 9819869.

9689189 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., 7022500 + 2666689 = 2650^2 + 1633^2 .

It is a cyclic number.

It is not a de Polignac number, because 9689189 - 28 = 9688933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9689149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844594 + 4844595.

It is an arithmetic number, because the mean of its divisors is an integer number (4844595).

Almost surely, 29689189 is an apocalyptic number.

It is an amenable number.

9689189 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689189 is an equidigital number, since it uses as much as digits as its factorization.

9689189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 50.

The square root of 9689189 is about 3112.7462151611. The cubic root of 9689189 is about 213.1878627955.

The spelling of 9689189 in words is "nine million, six hundred eighty-nine thousand, one hundred eighty-nine".