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254234489 is a prime number
BaseRepresentation
bin11110010011101…
…00111101111001
3122201101110011012
433021310331321
51010041000424
641121043305
76204646265
oct1711647571
9581343135
10254234489
11120566153
1271186535
1340895c12
1425a9d0a5
15174bdb0e
hexf274f79

254234489 has 2 divisors, whose sum is σ = 254234490. Its totient is φ = 254234488.

The previous prime is 254234471. The next prime is 254234501. The reversal of 254234489 is 984432452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253350889 + 883600 = 15917^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-254234489 is a prime.

It is a super-2 number, since 2×2542344892 = 129270350794182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (254234429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127117244 + 127117245.

It is an arithmetic number, because the mean of its divisors is an integer number (127117245).

Almost surely, 2254234489 is an apocalyptic number.

It is an amenable number.

254234489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254234489 is an equidigital number, since it uses as much as digits as its factorization.

254234489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 254234489 is about 15944.7323276372. The cubic root of 254234489 is about 633.4973783428.

The spelling of 254234489 in words is "two hundred fifty-four million, two hundred thirty-four thousand, four hundred eighty-nine".