Search a number
-
+
241945549 is a prime number
BaseRepresentation
bin11100110101111…
…00101111001101
3121212021002220021
432122330233031
5443414224144
640001422141
75665334416
oct1632745715
9555232807
10241945549
111146322aa
126903a951
133b182561
14241c080d
1516392884
hexe6bcbcd

241945549 has 2 divisors, whose sum is σ = 241945550. Its totient is φ = 241945548.

The previous prime is 241945507. The next prime is 241945559. The reversal of 241945549 is 945549142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208802500 + 33143049 = 14450^2 + 5757^2 .

It is a cyclic number.

It is not a de Polignac number, because 241945549 - 213 = 241937357 is a prime.

It is a super-2 number, since 2×2419455492 = 117075297361822802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241945559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120972774 + 120972775.

It is an arithmetic number, because the mean of its divisors is an integer number (120972775).

Almost surely, 2241945549 is an apocalyptic number.

It is an amenable number.

241945549 is a deficient number, since it is larger than the sum of its proper divisors (1).

241945549 is an equidigital number, since it uses as much as digits as its factorization.

241945549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 43.

The square root of 241945549 is about 15554.5989662222. The cubic root of 241945549 is about 623.1212264751.

The spelling of 241945549 in words is "two hundred forty-one million, nine hundred forty-five thousand, five hundred forty-nine".