Search a number
-
+
293418161 is a prime number
BaseRepresentation
bin10001011111010…
…011010010110001
3202110010012001022
4101133103102301
51100103340121
645040545225
710162004351
oct2137232261
9673105038
10293418161
11140699453
1282322215
1348a3501a
142ad7cb61
151ab5daab
hex117d34b1

293418161 has 2 divisors, whose sum is σ = 293418162. Its totient is φ = 293418160.

The previous prime is 293418127. The next prime is 293418187. The reversal of 293418161 is 161814392.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293094400 + 323761 = 17120^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-293418161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (293418361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146709080 + 146709081.

It is an arithmetic number, because the mean of its divisors is an integer number (146709081).

Almost surely, 2293418161 is an apocalyptic number.

It is an amenable number.

293418161 is a deficient number, since it is larger than the sum of its proper divisors (1).

293418161 is an equidigital number, since it uses as much as digits as its factorization.

293418161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 293418161 is about 17129.4530268774. The cubic root of 293418161 is about 664.5010378900.

The spelling of 293418161 in words is "two hundred ninety-three million, four hundred eighteen thousand, one hundred sixty-one".