Search a number
-
+
338412793 is a prime number
BaseRepresentation
bin10100001010111…
…100010011111001
3212120210011002011
4110022330103321
51143113202133
653325205521
711246314135
oct2412742371
9776704064
10338412793
111640305a4
12954008a1
135515a074
1432d323c5
151ea9a6cd
hex142bc4f9

338412793 has 2 divisors, whose sum is σ = 338412794. Its totient is φ = 338412792.

The previous prime is 338412787. The next prime is 338412817. The reversal of 338412793 is 397214833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194100624 + 144312169 = 13932^2 + 12013^2 .

It is an emirp because it is prime and its reverse (397214833) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-338412793 is a prime.

It is a super-2 number, since 2×3384127932 = 229046436932121698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338412713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169206396 + 169206397.

It is an arithmetic number, because the mean of its divisors is an integer number (169206397).

Almost surely, 2338412793 is an apocalyptic number.

It is an amenable number.

338412793 is a deficient number, since it is larger than the sum of its proper divisors (1).

338412793 is an equidigital number, since it uses as much as digits as its factorization.

338412793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 338412793 is about 18395.9993748641. Note that the first 3 decimals coincide. The cubic root of 338412793 is about 696.8654355515.

The spelling of 338412793 in words is "three hundred thirty-eight million, four hundred twelve thousand, seven hundred ninety-three".