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115383 = 338461
BaseRepresentation
bin11100001010110111
312212021110
4130022313
512143013
62250103
7660252
oct341267
9185243
10115383
1179764
1256933
1340698
1430099
15242c3
hex1c2b7

115383 has 4 divisors (see below), whose sum is σ = 153848. Its totient is φ = 76920.

The previous prime is 115363. The next prime is 115399. The reversal of 115383 is 383511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383511 = 3127837.

It is not a de Polignac number, because 115383 - 26 = 115319 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19228 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (38462).

2115383 is an apocalyptic number.

115383 is a deficient number, since it is larger than the sum of its proper divisors (38465).

115383 is an equidigital number, since it uses as much as digits as its factorization.

115383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38464.

The product of its digits is 360, while the sum is 21.

The square root of 115383 is about 339.6807324533. The cubic root of 115383 is about 48.6833672172.

Adding to 115383 its reverse (383511), we get a palindrome (498894).

The spelling of 115383 in words is "one hundred fifteen thousand, three hundred eighty-three".

Divisors: 1 3 38461 115383