Search a number
-
+
118088293 = 532228081
BaseRepresentation
bin1110000100111…
…10001001100101
322020012111200111
413002132021211
5220212311133
615415013021
72632506511
oct702361145
9266174614
10118088293
1160726534
123366a171
131b607a3b
141197d141
15a5791cd
hex709e265

118088293 has 4 divisors (see below), whose sum is σ = 120316428. Its totient is φ = 115860160.

The previous prime is 118088281. The next prime is 118088309. The reversal of 118088293 is 392880811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392880811 = 997394063.

It can be written as a sum of positive squares in 2 ways, for example, as 32285124 + 85803169 = 5682^2 + 9263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-118088293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118088213) 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 in 3 ways as a sum of consecutive naturals, for example, 1113988 + ... + 1114093.

It is an arithmetic number, because the mean of its divisors is an integer number (30079107).

Almost surely, 2118088293 is an apocalyptic number.

It is an amenable number.

118088293 is a deficient number, since it is larger than the sum of its proper divisors (2228135).

118088293 is an equidigital number, since it uses as much as digits as its factorization.

118088293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228134.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 118088293 is about 10866.8437460010. The cubic root of 118088293 is about 490.6091175461.

The spelling of 118088293 in words is "one hundred eighteen million, eighty-eight thousand, two hundred ninety-three".

Divisors: 1 53 2228081 118088293