Search a number
-
+
254940241 is a prime number
BaseRepresentation
bin11110011001000…
…01010001010001
3122202201022021011
433030201101101
51010231041431
641144130521
76213646003
oct1714412121
9582638234
10254940241
111209a8416
1271466a41
1340a8221a
1425c04373
15175accb1
hexf321451

254940241 has 2 divisors, whose sum is σ = 254940242. Its totient is φ = 254940240.

The previous prime is 254940223. The next prime is 254940281. The reversal of 254940241 is 142049452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252969025 + 1971216 = 15905^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 254940241 - 27 = 254940113 is a prime.

It is a super-2 number, since 2×2549402412 = 129989052962276162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (254940221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127470120 + 127470121.

It is an arithmetic number, because the mean of its divisors is an integer number (127470121).

Almost surely, 2254940241 is an apocalyptic number.

It is an amenable number.

254940241 is a deficient number, since it is larger than the sum of its proper divisors (1).

254940241 is an equidigital number, since it uses as much as digits as its factorization.

254940241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 254940241 is about 15966.8481861637. The cubic root of 254940241 is about 634.0830305530.

Adding to 254940241 its reverse (142049452), we get a palindrome (396989693).

The spelling of 254940241 in words is "two hundred fifty-four million, nine hundred forty thousand, two hundred forty-one".