Search a number
-
+
348389 is a prime number
BaseRepresentation
bin1010101000011100101
3122200220022
41111003211
542122024
611244525
72650466
oct1250345
9580808
10348389
11218828
12149745
13c2762
1490d6d
156d35e
hex550e5

348389 has 2 divisors, whose sum is σ = 348390. Its totient is φ = 348388.

The previous prime is 348367. The next prime is 348401. The reversal of 348389 is 983843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 289 = 590^2 + 17^2 .

It is a cyclic number.

It is not a de Polignac number, because 348389 - 212 = 344293 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 (348889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174194 + 174195.

It is an arithmetic number, because the mean of its divisors is an integer number (174195).

2348389 is an apocalyptic number.

It is an amenable number.

348389 is a deficient number, since it is larger than the sum of its proper divisors (1).

348389 is an equidigital number, since it uses as much as digits as its factorization.

348389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 348389 is about 590.2448644419. The cubic root of 348389 is about 70.3646953017.

It can be divided in two parts, 348 and 389, that added together give a palindrome (737).

The spelling of 348389 in words is "three hundred forty-eight thousand, three hundred eighty-nine".