Search a number
-
+
608389 is a prime number
BaseRepresentation
bin10010100100010000101
31010220112221
42110202011
5123432024
621012341
75112505
oct2244205
91126487
10608389
11386101
122540b1
13183bc2
1411ba05
15c03e4
hex94885

608389 has 2 divisors, whose sum is σ = 608390. Its totient is φ = 608388.

The previous prime is 608383. The next prime is 608393. The reversal of 608389 is 983806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 297025 = 558^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 608389 - 25 = 608357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304194 + 304195.

It is an arithmetic number, because the mean of its divisors is an integer number (304195).

2608389 is an apocalyptic number.

It is an amenable number.

608389 is a deficient number, since it is larger than the sum of its proper divisors (1).

608389 is an equidigital number, since it uses as much as digits as its factorization.

608389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 608389 is about 779.9929486861. The cubic root of 608389 is about 84.7345351071.

The spelling of 608389 in words is "six hundred eight thousand, three hundred eighty-nine".