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115413439 is a prime number
BaseRepresentation
bin1101110000100…
…01000110111111
322001011121110211
412320101012333
5214021212224
615241413251
72600666221
oct670210677
9261147424
10115413439
115a169909
123279a227
131abac39b
1411484411
15a1eb894
hex6e111bf

115413439 has 2 divisors, whose sum is σ = 115413440. Its totient is φ = 115413438.

The previous prime is 115413437. The next prime is 115413449. The reversal of 115413439 is 934314511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115413439 - 21 = 115413437 is a prime.

Together with 115413437, 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 115413439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115413437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57706719 + 57706720.

It is an arithmetic number, because the mean of its divisors is an integer number (57706720).

Almost surely, 2115413439 is an apocalyptic number.

115413439 is a deficient number, since it is larger than the sum of its proper divisors (1).

115413439 is an equidigital number, since it uses as much as digits as its factorization.

115413439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 115413439 is about 10743.0646930939. The cubic root of 115413439 is about 486.8764786722.

The spelling of 115413439 in words is "one hundred fifteen million, four hundred thirteen thousand, four hundred thirty-nine".