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115423249 is a prime number
BaseRepresentation
bin1101110000100…
…11100000010001
322001012002221011
412320103200101
5214022020444
615241530521
72601036634
oct670234021
9261162834
10115423249
115a176217
12327a3a41
131abb39a6
1411487c1b
15a1ee734
hex6e13811

115423249 has 2 divisors, whose sum is σ = 115423250. Its totient is φ = 115423248.

The previous prime is 115423247. The next prime is 115423267. The reversal of 115423249 is 942324511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106750224 + 8673025 = 10332^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 115423249 - 21 = 115423247 is a prime.

Together with 115423247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115423249.

It is not a weakly prime, because it can be changed into another prime (115423247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57711624 + 57711625.

It is an arithmetic number, because the mean of its divisors is an integer number (57711625).

Almost surely, 2115423249 is an apocalyptic number.

It is an amenable number.

115423249 is a deficient number, since it is larger than the sum of its proper divisors (1).

115423249 is an equidigital number, since it uses as much as digits as its factorization.

115423249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 115423249 is about 10743.5212570181. The cubic root of 115423249 is about 486.8902729149.

The spelling of 115423249 in words is "one hundred fifteen million, four hundred twenty-three thousand, two hundred forty-nine".