Search a number
-
+
115143 = 375483
BaseRepresentation
bin11100000111000111
312211221120
4130013013
512141033
62245023
7656460
oct340707
9184846
10115143
1179566
1256773
1340542
142dd67
15241b3
hex1c1c7

115143 has 8 divisors (see below), whose sum is σ = 175488. Its totient is φ = 65784.

The previous prime is 115133. The next prime is 115151. The reversal of 115143 is 341511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115143 - 24 = 115127 is a prime.

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 (115123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 2762.

It is an arithmetic number, because the mean of its divisors is an integer number (21936).

2115143 is an apocalyptic number.

115143 is a deficient number, since it is larger than the sum of its proper divisors (60345).

115143 is an equidigital number, since it uses as much as digits as its factorization.

115143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493.

The product of its digits is 60, while the sum is 15.

The square root of 115143 is about 339.3272756499. The cubic root of 115143 is about 48.6495895130.

Adding to 115143 its reverse (341511), we get a palindrome (456654).

The spelling of 115143 in words is "one hundred fifteen thousand, one hundred forty-three".

Divisors: 1 3 7 21 5483 16449 38381 115143