Search a number
-
+
115168 = 255961
BaseRepresentation
bin11100000111100000
312211222111
4130013200
512141133
62245104
7656524
oct340740
9184874
10115168
1179589
1256794
1340561
142dd84
15241cd
hex1c1e0

115168 has 24 divisors (see below), whose sum is σ = 234360. Its totient is φ = 55680.

The previous prime is 115163. The next prime is 115183. The reversal of 115168 is 861511.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858 + ... + 1918.

It is an arithmetic number, because the mean of its divisors is an integer number (9765).

2115168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117180).

115168 is an abundant number, since it is smaller than the sum of its proper divisors (119192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115168 is an equidigital number, since it uses as much as digits as its factorization.

115168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 122 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 115168 is about 339.3641112434. The cubic root of 115168 is about 48.6531102126.

Adding to 115168 its reverse (861511), we get a palindrome (976679).

The spelling of 115168 in words is "one hundred fifteen thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 59 61 118 122 236 244 472 488 944 976 1888 1952 3599 7198 14396 28792 57584 115168