Search a number
-
+
112213 is a prime number
BaseRepresentation
bin11011011001010101
312200221001
4123121111
512042323
62223301
7645103
oct333125
9180831
10112213
1177342
1254b31
133c0ca
142cc73
15233ad
hex1b655

112213 has 2 divisors, whose sum is σ = 112214. Its totient is φ = 112212.

The previous prime is 112207. The next prime is 112223. The reversal of 112213 is 312211.

It is an a-pointer prime, because the next prime (112223) can be obtained adding 112213 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88804 + 23409 = 298^2 + 153^2 .

It is an emirp because it is prime and its reverse (312211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112213 - 25 = 112181 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 112213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106 + 56107.

It is an arithmetic number, because the mean of its divisors is an integer number (56107).

2112213 is an apocalyptic number.

It is an amenable number.

112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

112213 is an equidigital number, since it uses as much as digits as its factorization.

112213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12, while the sum is 10.

The square root of 112213 is about 334.9820890734. The cubic root of 112213 is about 48.2333830937.

Adding to 112213 its product of digits (12), we get a square (112225 = 3352).

Adding to 112213 its reverse (312211), we get a palindrome (424424).

It can be divided in two parts, 112 and 213, that added together give a triangular number (325 = T25).

The spelling of 112213 in words is "one hundred twelve thousand, two hundred thirteen".