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223112 = 231672
BaseRepresentation
bin110110011110001000
3102100001102
4312132020
524114422
64440532
71616321
oct663610
9370042
10223112
1114269a
12a9148
137a726
145b448
1546192
hex36788

223112 has 12 divisors (see below), whose sum is σ = 420855. Its totient is φ = 110888.

The previous prime is 223103. The next prime is 223129. The reversal of 223112 is 211322.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111556 + 111556 = 334^2 + 334^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=334.

It is a super-3 number, since 3×2231123 = 33318853012022784, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 223093 and 223102.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1253 + ... + 1419.

2223112 is an apocalyptic number.

It is an amenable number.

223112 is a deficient number, since it is larger than the sum of its proper divisors (197743).

223112 is an equidigital number, since it uses as much as digits as its factorization.

223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 169 counting only the distinct ones).

The product of its digits is 24, while the sum is 11.

The square root of 223112 is about 472.3473298326. The cubic root of 223112 is about 60.6514204466.

Adding to 223112 its reverse (211322), we get a palindrome (434434).

It can be divided in two parts, 223 and 112, that multiplied together give a triangular number (24976 = T223).

The spelling of 223112 in words is "two hundred twenty-three thousand, one hundred twelve", and thus it is an iban number.

Divisors: 1 2 4 8 167 334 668 1336 27889 55778 111556 223112