Search a number
-
+
342794873 is a prime number
BaseRepresentation
bin10100011011101…
…010001001111001
3212220000210011102
4110123222021321
51200223413443
654003141145
711331464651
oct2433521171
9786023142
10342794873
11166553953
12969747b5
1356032805
1433753361
1520163cb8
hex146ea279

342794873 has 2 divisors, whose sum is σ = 342794874. Its totient is φ = 342794872.

The previous prime is 342794801. The next prime is 342794911. The reversal of 342794873 is 378497243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315879529 + 26915344 = 17773^2 + 5188^2 .

It is an emirp because it is prime and its reverse (378497243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342794873 - 210 = 342793849 is a prime.

It is a super-2 number, since 2×3427948732 = 235016649910172258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (342794773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171397436 + 171397437.

It is an arithmetic number, because the mean of its divisors is an integer number (171397437).

Almost surely, 2342794873 is an apocalyptic number.

It is an amenable number.

342794873 is a deficient number, since it is larger than the sum of its proper divisors (1).

342794873 is an equidigital number, since it uses as much as digits as its factorization.

342794873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 47.

The square root of 342794873 is about 18514.7204407736. The cubic root of 342794873 is about 699.8604299967.

The spelling of 342794873 in words is "three hundred forty-two million, seven hundred ninety-four thousand, eight hundred seventy-three".