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115230047 is a prime number
BaseRepresentation
bin1101101111001…
…00010101011111
322000211021220112
412313210111133
5213444330142
615233440235
72566303442
oct667442537
9260737815
10115230047
115a054049
123271007b
131ab46a7a
1411437659
15a1b2382
hex6de455f

115230047 has 2 divisors, whose sum is σ = 115230048. Its totient is φ = 115230046.

The previous prime is 115230043. The next prime is 115230077. The reversal of 115230047 is 740032511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115230047 - 22 = 115230043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115230043) 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, 57615023 + 57615024.

It is an arithmetic number, because the mean of its divisors is an integer number (57615024).

Almost surely, 2115230047 is an apocalyptic number.

115230047 is a deficient number, since it is larger than the sum of its proper divisors (1).

115230047 is an equidigital number, since it uses as much as digits as its factorization.

115230047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 115230047 is about 10734.5259327089. The cubic root of 115230047 is about 486.6184596544.

Adding to 115230047 its reverse (740032511), we get a palindrome (855262558).

The spelling of 115230047 in words is "one hundred fifteen million, two hundred thirty thousand, forty-seven".