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115231241 is a prime number
BaseRepresentation
bin1101101111001…
…00101000001001
322000211100112202
412313210220021
5213444344431
615233445545
72566310066
oct667445011
9260740482
10115231241
115a054a34
12327108b5
131ab47488
1411437c6d
15a1b28cb
hex6de4a09

115231241 has 2 divisors, whose sum is σ = 115231242. Its totient is φ = 115231240.

The previous prime is 115231231. The next prime is 115231243. The reversal of 115231241 is 142132511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107723641 + 7507600 = 10379^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 115231241 - 26 = 115231177 is a prime.

Together with 115231243, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115231243) 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, 57615620 + 57615621.

It is an arithmetic number, because the mean of its divisors is an integer number (57615621).

Almost surely, 2115231241 is an apocalyptic number.

It is an amenable number.

115231241 is a deficient number, since it is larger than the sum of its proper divisors (1).

115231241 is an equidigital number, since it uses as much as digits as its factorization.

115231241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 20.

The square root of 115231241 is about 10734.5815475034. The cubic root of 115231241 is about 486.6201404094.

Adding to 115231241 its reverse (142132511), we get a palindrome (257363752).

The spelling of 115231241 in words is "one hundred fifteen million, two hundred thirty-one thousand, two hundred forty-one".