Search a number
112555 = 522511
BaseRepresentation
bin11011011110101011
312201101201
4123132223
512100210
62225031
7646102
oct333653
9181351
10112555
1177623
1255177
133c301
142d039
152353a
hex1b7ab

112555 has 4 divisors (see below), whose sum is σ = 135072. Its totient is φ = 90040.

The previous prime is 112543. The next prime is 112559. The reversal of 112555 is 555211.

Adding to 112555 its reverse (555211), we get a palindrome (667766).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555211 = 4711813.

It is a de Polignac number, because none of the positive numbers 2k-112555 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112559) 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, 11251 + ... + 11260.

It is an arithmetic number, because the mean of its divisors is an integer number (33768).

2112555 is an apocalyptic number.

112555 is a deficient number, since it is larger than the sum of its proper divisors (22517).

112555 is an equidigital number, since it uses as much as digits as its factorization.

112555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22516.

The product of its digits is 250, while the sum is 19.

The square root of 112555 is about 335.4921757657. The cubic root of 112555 is about 48.2823348991.

The spelling of 112555 in words is "one hundred twelve thousand, five hundred fifty-five".

Divisors: 1 5 22511 112555