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223434 = 23212413
BaseRepresentation
bin110110100011001010
3102100111100
4312203022
524122214
64442230
71620261
oct664312
9370440
10223434
11142962
12a9376
137a913
145b5d8
1546309
hex368ca

223434 has 12 divisors (see below), whose sum is σ = 484146. Its totient is φ = 74472.

The previous prime is 223429. The next prime is 223439. The reversal of 223434 is 434322.

223434 is nontrivially palindromic in base 7.

223434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223429) and next prime (223439).

It can be written as a sum of positive squares in only one way, i.e., 205209 + 18225 = 453^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12413 = 223434 / (2 + 2 + 3 + 4 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (223439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6189 + ... + 6224.

2223434 is an apocalyptic number.

223434 is an abundant number, since it is smaller than the sum of its proper divisors (260712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223434 is a wasteful number, since it uses less digits than its factorization.

223434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12421 (or 12418 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 223434 is about 472.6880578140. The cubic root of 223434 is about 60.6805842293.

Adding to 223434 its reverse (434322), we get a palindrome (657756).

It can be divided in two parts, 2 and 23434, that added together give a triangular number (23436 = T216).

The spelling of 223434 in words is "two hundred twenty-three thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 12413 24826 37239 74478 111717 223434