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115287253 is a prime number
BaseRepresentation
bin1101101111100…
…10010011010101
322000221012101021
412313302103111
5214003143003
615235001141
72566632304
oct667622325
9260835337
10115287253
115a093024
12327391b1
131ab66b13
141145043b
15a1c42bd
hex6df24d5

115287253 has 2 divisors, whose sum is σ = 115287254. Its totient is φ = 115287252.

The previous prime is 115287241. The next prime is 115287311. The reversal of 115287253 is 352782511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109872324 + 5414929 = 10482^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 115287253 - 221 = 113190101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115287553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57643626 + 57643627.

It is an arithmetic number, because the mean of its divisors is an integer number (57643627).

Almost surely, 2115287253 is an apocalyptic number.

It is an amenable number.

115287253 is a deficient number, since it is larger than the sum of its proper divisors (1).

115287253 is an equidigital number, since it uses as much as digits as its factorization.

115287253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 115287253 is about 10737.1901817934. The cubic root of 115287253 is about 486.6989736377.

It can be divided in two parts, 11528 and 7253, that added together give a palindrome (18781).

The spelling of 115287253 in words is "one hundred fifteen million, two hundred eighty-seven thousand, two hundred fifty-three".