Search a number
-
+
115071 = 3112317
BaseRepresentation
bin11100000101111111
312211211220
4130011333
512140241
62244423
7656325
oct340577
9184756
10115071
1179500
1256713
13404b8
142dd15
1524166
hex1c17f

115071 has 12 divisors (see below), whose sum is σ = 169176. Its totient is φ = 69520.

The previous prime is 115067. The next prime is 115079. The reversal of 115071 is 170511.

It is not a de Polignac number, because 115071 - 22 = 115067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (14098).

2115071 is an apocalyptic number.

115071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115071 is a deficient number, since it is larger than the sum of its proper divisors (54105).

115071 is a wasteful number, since it uses less digits than its factorization.

115071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 15.

The square root of 115071 is about 339.2211667924. The cubic root of 115071 is about 48.6394470501.

Adding to 115071 its reverse (170511), we get a palindrome (285582).

It can be divided in two parts, 1150 and 71, that added together give a palindrome (1221).

The spelling of 115071 in words is "one hundred fifteen thousand, seventy-one".

Divisors: 1 3 11 33 121 317 363 951 3487 10461 38357 115071