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115412047 is a prime number
BaseRepresentation
bin1101110000100…
…00110001001111
322001011112120021
412320100301033
5214021141142
615241403011
72600662162
oct670206117
9261145507
10115412047
115a168863
1232799467
131abab86a
1411483ad9
15a1eb267
hex6e10c4f

115412047 has 2 divisors, whose sum is σ = 115412048. Its totient is φ = 115412046.

The previous prime is 115412009. The next prime is 115412057. The reversal of 115412047 is 740214511.

It is a strong prime.

It is an emirp because it is prime and its reverse (740214511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115412047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115412057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57706023 + 57706024.

It is an arithmetic number, because the mean of its divisors is an integer number (57706024).

Almost surely, 2115412047 is an apocalyptic number.

115412047 is a deficient number, since it is larger than the sum of its proper divisors (1).

115412047 is an equidigital number, since it uses as much as digits as its factorization.

115412047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 115412047 is about 10742.9999069161. Note that the first 4 decimals coincide. The cubic root of 115412047 is about 486.8745212607.

Adding to 115412047 its reverse (740214511), we get a palindrome (855626558).

The spelling of 115412047 in words is "one hundred fifteen million, four hundred twelve thousand, forty-seven".