Search a number
-
+
293880317 is a prime number
BaseRepresentation
bin10001100001000…
…100000111111101
3202110222200000012
4101201010013331
51100213132232
645054513005
710165640633
oct2141040775
9673880005
10293880317
111409846a5
1282505765
1348b674a3
142b05d353
151ac009b2
hex118441fd

293880317 has 2 divisors, whose sum is σ = 293880318. Its totient is φ = 293880316.

The previous prime is 293880281. The next prime is 293880319. The reversal of 293880317 is 713088392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265885636 + 27994681 = 16306^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 293880317 - 26 = 293880253 is a prime.

Together with 293880319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (293880319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146940158 + 146940159.

It is an arithmetic number, because the mean of its divisors is an integer number (146940159).

Almost surely, 2293880317 is an apocalyptic number.

It is an amenable number.

293880317 is a deficient number, since it is larger than the sum of its proper divisors (1).

293880317 is an equidigital number, since it uses as much as digits as its factorization.

293880317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 293880317 is about 17142.9378170721. The cubic root of 293880317 is about 664.8497348311.

The spelling of 293880317 in words is "two hundred ninety-three million, eight hundred eighty thousand, three hundred seventeen".