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117242075 = 5211933931
BaseRepresentation
bin1101111110011…
…11100011011011
322011121111220002
412333033203123
5220003221300
615344523215
72622353426
oct677174333
9264544802
10117242075
11601a8785
123332050b
131b39c812
14117dc9bd
15a45d5d5
hex6fcf8db

117242075 has 12 divisors (see below), whose sum is σ = 145539048. Its totient is φ = 93691200.

The previous prime is 117242071. The next prime is 117242077. The reversal of 117242075 is 570242711.

It is not a de Polignac number, because 117242075 - 22 = 117242071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117242071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27860 + ... + 31790.

It is an arithmetic number, because the mean of its divisors is an integer number (12128254).

Almost surely, 2117242075 is an apocalyptic number.

117242075 is a deficient number, since it is larger than the sum of its proper divisors (28296973).

117242075 is a wasteful number, since it uses less digits than its factorization.

117242075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134 (or 5129 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 117242075 is about 10827.8379651711. The cubic root of 117242075 is about 489.4344091882.

Adding to 117242075 its reverse (570242711), we get a palindrome (687484786).

The spelling of 117242075 in words is "one hundred seventeen million, two hundred forty-two thousand, seventy-five".

Divisors: 1 5 25 1193 3931 5965 19655 29825 98275 4689683 23448415 117242075