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115888117 = 711632227
BaseRepresentation
bin1101110100001…
…00111111110101
322002001201121111
412322010333311
5214131404432
615255515021
72605014142
oct672047765
9262051544
10115888117
115a463504
1232988a71
131b017467
14115693c9
15a292347
hex6e84ff5

115888117 has 4 divisors (see below), whose sum is σ = 117520416. Its totient is φ = 114255820.

The previous prime is 115888109. The next prime is 115888127. The reversal of 115888117 is 711888511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115888117 - 23 = 115888109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115888117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115888127) 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 in 3 ways as a sum of consecutive naturals, for example, 816043 + ... + 816184.

It is an arithmetic number, because the mean of its divisors is an integer number (29380104).

Almost surely, 2115888117 is an apocalyptic number.

It is an amenable number.

115888117 is a deficient number, since it is larger than the sum of its proper divisors (1632299).

115888117 is an equidigital number, since it uses as much as digits as its factorization.

115888117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632298.

The product of its digits is 17920, while the sum is 40.

The square root of 115888117 is about 10765.1343233608. The cubic root of 115888117 is about 487.5430487516.

The spelling of 115888117 in words is "one hundred fifteen million, eight hundred eighty-eight thousand, one hundred seventeen".

Divisors: 1 71 1632227 115888117