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115132397 is a prime number
BaseRepresentation
bin1101101110011…
…00011111101101
322000122022221212
412313030133231
5213433214042
615231404205
72565415652
oct667143755
9260568855
10115132397
1159a97746
1232683665
131ab114a3
141140dc29
15a193482
hex6dcc7ed

115132397 has 2 divisors, whose sum is σ = 115132398. Its totient is φ = 115132396.

The previous prime is 115132351. The next prime is 115132399. The reversal of 115132397 is 793231511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107453956 + 7678441 = 10366^2 + 2771^2 .

It is an emirp because it is prime and its reverse (793231511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115132397 - 226 = 48023533 is a prime.

Together with 115132399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115132399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57566198 + 57566199.

It is an arithmetic number, because the mean of its divisors is an integer number (57566199).

Almost surely, 2115132397 is an apocalyptic number.

It is an amenable number.

115132397 is a deficient number, since it is larger than the sum of its proper divisors (1).

115132397 is an equidigital number, since it uses as much as digits as its factorization.

115132397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 115132397 is about 10729.9765610182. The cubic root of 115132397 is about 486.4809616001.

The spelling of 115132397 in words is "one hundred fifteen million, one hundred thirty-two thousand, three hundred ninety-seven".