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223434345 = 3519977459
BaseRepresentation
bin11010101000101…
…01011001101001
3120120102122022010
431110111121221
5424144344340
634100550133
75352106041
oct1524253151
9516378263
10223434345
11105139592
12629b2349
13373a0994
1421962721
1514937b80
hexd515669

223434345 has 16 divisors (see below), whose sum is σ = 357721920. Its totient is φ = 119089344.

The previous prime is 223434331. The next prime is 223434353. The reversal of 223434345 is 543434322.

223434345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223434345 - 25 = 223434313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26226 + ... + 33684.

It is an arithmetic number, because the mean of its divisors is an integer number (22357620).

Almost surely, 2223434345 is an apocalyptic number.

It is an amenable number.

223434345 is a deficient number, since it is larger than the sum of its proper divisors (134287575).

223434345 is a wasteful number, since it uses less digits than its factorization.

223434345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9464.

The product of its digits is 34560, while the sum is 30.

The square root of 223434345 is about 14947.7203947625. The cubic root of 223434345 is about 606.8061546115.

Adding to 223434345 its reverse (543434322), we get a palindrome (766868667).

The spelling of 223434345 in words is "two hundred twenty-three million, four hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 3 5 15 1997 5991 7459 9985 22377 29955 37295 111885 14895623 44686869 74478115 223434345