Cookie Consent by
Search a number
223117 = 1911743

223117 has 4 divisors (see below), whose sum is σ = 234880. Its totient is φ = 211356.

The previous prime is 223103. The next prime is 223129. The reversal of 223117 is 711322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223117 - 211 = 221069 is a prime.

It is a super-3 number, since 3×2231173 = 33321093115627839, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 223117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223217) 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 3 ways as a sum of consecutive naturals, for example, 5853 + ... + 5890.

It is an arithmetic number, because the mean of its divisors is an integer number (58720).

2223117 is an apocalyptic number.

It is an amenable number.

223117 is a deficient number, since it is larger than the sum of its proper divisors (11763).

223117 is a wasteful number, since it uses less digits than its factorization.

223117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762.

The product of its digits is 84, while the sum is 16.

The square root of 223117 is about 472.3526225184. The cubic root of 223117 is about 60.6518735147.

Adding to 223117 its reverse (711322), we get a palindrome (934439).

The spelling of 223117 in words is "two hundred twenty-three thousand, one hundred seventeen", and thus it is an iban number.

Divisors: 1 19 11743 223117