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BaseRepresentation
bin11000111101001111
312012020001
4120331033
511232343
62105131
7604012
oct307517
9165201
10102223
116a890
124b1a7
13376b4
1429379
152044d
hex18f4f

102223 has 4 divisors (see below), whose sum is σ = 111528. Its totient is φ = 92920.

The previous prime is 102217. The next prime is 102229. The reversal of 102223 is 322201.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (102217) and next prime (102229).

It is a cyclic number.

It is not a de Polignac number, because 102223 - 25 = 102191 is a prime.

It is a Duffinian number.

102223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102229) 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, 4636 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (27882).

2102223 is an apocalyptic number.

102223 is a deficient number, since it is larger than the sum of its proper divisors (9305).

102223 is an equidigital number, since it uses as much as digits as its factorization.

102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 102223 is about 319.7233178859. The cubic root of 102223 is about 46.7573124768.

Adding to 102223 its reverse (322201), we get a palindrome (424424).

It can be divided in two parts, 102 and 223, that added together give a triangular number (325 = T25).

The spelling of 102223 in words is "one hundred two thousand, two hundred twenty-three", and thus it is an iban number.

Divisors: 1 11 9293 102223