Search a number
-
+
338449 is a prime number
BaseRepresentation
bin1010010101000010001
3122012021011
41102220101
541312244
611130521
72606506
oct1225021
9565234
10338449
11211311
12143a41
13bb087
148b4ad
156a434
hex52a11

338449 has 2 divisors, whose sum is σ = 338450. Its totient is φ = 338448.

The previous prime is 338431. The next prime is 338461. The reversal of 338449 is 944833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208849 + 129600 = 457^2 + 360^2 .

It is an emirp because it is prime and its reverse (944833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338449 - 27 = 338321 is a prime.

It is a super-2 number, since 2×3384492 = 229095451202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338449.

It is not a weakly prime, because it can be changed into another prime (333449) 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, 169224 + 169225.

It is an arithmetic number, because the mean of its divisors is an integer number (169225).

2338449 is an apocalyptic number.

It is an amenable number.

338449 is a deficient number, since it is larger than the sum of its proper divisors (1).

338449 is an equidigital number, since it uses as much as digits as its factorization.

338449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 338449 is about 581.7636977330. The cubic root of 338449 is about 69.6890287357.

It can be divided in two parts, 338 and 449, that added together give a palindrome (787).

The spelling of 338449 in words is "three hundred thirty-eight thousand, four hundred forty-nine".