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115289029 is a prime number
BaseRepresentation
bin1101101111100…
…10101111000101
322000221021211001
412313302233011
5214003222104
615235013301
72566640422
oct667625705
9260837731
10115289029
115a094399
123273a231
131ab6787b
1411450d49
15a1c4aa4
hex6df2bc5

115289029 has 2 divisors, whose sum is σ = 115289030. Its totient is φ = 115289028.

The previous prime is 115289023. The next prime is 115289047. The reversal of 115289029 is 920982511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 15249025 = 10002^2 + 3905^2 .

It is an emirp because it is prime and its reverse (920982511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115289029 - 23 = 115289021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115289021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57644514 + 57644515.

It is an arithmetic number, because the mean of its divisors is an integer number (57644515).

Almost surely, 2115289029 is an apocalyptic number.

It is an amenable number.

115289029 is a deficient number, since it is larger than the sum of its proper divisors (1).

115289029 is an equidigital number, since it uses as much as digits as its factorization.

115289029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 115289029 is about 10737.2728846761. The cubic root of 115289029 is about 486.7014728239.

The spelling of 115289029 in words is "one hundred fifteen million, two hundred eighty-nine thousand, twenty-nine".