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223030 = 2522303
BaseRepresentation
bin110110011100110110
3102022221101
4312130312
524114110
64440314
71616143
oct663466
9368841
10223030
11142625
12a909a
137a692
145b3ca
154613a
hex36736

223030 has 8 divisors (see below), whose sum is σ = 401472. Its totient is φ = 89208.

The previous prime is 223019. The next prime is 223037. The reversal of 223030 is 30322.

223030 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 22303 = 223030 / (2 + 2 + 3 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 222998 and 223016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223037) 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, 11142 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (50184).

2223030 is an apocalyptic number.

223030 is a deficient number, since it is larger than the sum of its proper divisors (178442).

223030 is a wasteful number, since it uses less digits than its factorization.

223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 223030 is about 472.2605213227. The cubic root of 223030 is about 60.6439891626.

Adding to 223030 its reverse (30322), we get a palindrome (253352).

It can be divided in two parts, 2 and 23030, that added together give a palindrome (23032).

The spelling of 223030 in words is "two hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 22303 44606 111515 223030