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117106085 = 523421217
BaseRepresentation
bin1101111101011…
…10010110100101
322011100121100102
412332232112211
5214434343320
615341553445
72621246105
oct676562645
9264317312
10117106085
1160115598
1233275885
131b352955
14117a5205
15a433175
hex6fae5a5

117106085 has 4 divisors (see below), whose sum is σ = 140527308. Its totient is φ = 93684864.

The previous prime is 117106057. The next prime is 117106163. The reversal of 117106085 is 580601711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38925121 + 78180964 = 6239^2 + 8842^2 .

It is a cyclic number.

It is not a de Polignac number, because 117106085 - 26 = 117106021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 11710604 + ... + 11710613.

It is an arithmetic number, because the mean of its divisors is an integer number (35131827).

Almost surely, 2117106085 is an apocalyptic number.

It is an amenable number.

117106085 is a deficient number, since it is larger than the sum of its proper divisors (23421223).

117106085 is an equidigital number, since it uses as much as digits as its factorization.

117106085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23421222.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 117106085 is about 10821.5564961793. The cubic root of 117106085 is about 489.2451030434.

Adding to 117106085 its reverse (580601711), we get a palindrome (697707796).

The spelling of 117106085 in words is "one hundred seventeen million, one hundred six thousand, eighty-five".

Divisors: 1 5 23421217 117106085