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223204234 = 21110145647
BaseRepresentation
bin11010100110111…
…01001110001010
3120112222221122111
431103131032022
5424120013414
634052012534
75350130131
oct1523351612
9515887574
10223204234
11104aa1710
126290114a
1337320016
1421902918
15148de8c4
hexd4dd38a

223204234 has 8 divisors (see below), whose sum is σ = 365243328. Its totient is φ = 101456460.

The previous prime is 223204211. The next prime is 223204273. The reversal of 223204234 is 432402322.

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

It is a super-3 number, since 3×2232042343 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 10145647 = 223204234 / (2 + 2 + 3 + 2 + 0 + 4 + 2 + 3 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072802 + ... + 5072845.

It is an arithmetic number, because the mean of its divisors is an integer number (45655416).

Almost surely, 2223204234 is an apocalyptic number.

223204234 is a deficient number, since it is larger than the sum of its proper divisors (142039094).

223204234 is a wasteful number, since it uses less digits than its factorization.

223204234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145660.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 223204234 is about 14940.0212181911. The cubic root of 223204234 is about 606.5977701551.

Adding to 223204234 its reverse (432402322), we get a palindrome (655606556).

The spelling of 223204234 in words is "two hundred twenty-three million, two hundred four thousand, two hundred thirty-four".

Divisors: 1 2 11 22 10145647 20291294 111602117 223204234