Search a number
-
+
115412149 is a prime number
BaseRepresentation
bin1101110000100…
…00110010110101
322001011112201001
412320100302311
5214021142044
615241403301
72600662366
oct670206265
9261145631
10115412149
115a168946
1232799531
131abab918
1411483b6d
15a1eb2d4
hex6e10cb5

115412149 has 2 divisors, whose sum is σ = 115412150. Its totient is φ = 115412148.

The previous prime is 115412131. The next prime is 115412153. The reversal of 115412149 is 941214511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115412049 + 100 = 10743^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 115412149 - 213 = 115403957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115412189) 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, 57706074 + 57706075.

It is an arithmetic number, because the mean of its divisors is an integer number (57706075).

Almost surely, 2115412149 is an apocalyptic number.

It is an amenable number.

115412149 is a deficient number, since it is larger than the sum of its proper divisors (1).

115412149 is an equidigital number, since it uses as much as digits as its factorization.

115412149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 28.

The square root of 115412149 is about 10743.0046541924. The cubic root of 115412149 is about 486.8746646923.

The spelling of 115412149 in words is "one hundred fifteen million, four hundred twelve thousand, one hundred forty-nine".