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223434452 = 22192154733
BaseRepresentation
bin11010101000101…
…01011011010100
3120120102122110002
431110111123110
5424144400302
634100550432
75352106253
oct1524253324
9516378402
10223434452
1110513967a
12629b2418
13373a0a47
142196279a
1514937c02
hexd5156d4

223434452 has 18 divisors (see below), whose sum is σ = 412675578. Its totient is φ = 105836688.

The previous prime is 223434439. The next prime is 223434457. The reversal of 223434452 is 254434322.

It is a happy number.

223434452 is digitally balanced in base 2, base 3 and base 9, because in such bases 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., 185068816 + 38365636 = 13604^2 + 6194^2 .

223434452 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223434457) 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, 75923 + ... + 78810.

It is an arithmetic number, because the mean of its divisors is an integer number (22926421).

Almost surely, 2223434452 is an apocalyptic number.

It is an amenable number.

223434452 is a deficient number, since it is larger than the sum of its proper divisors (189241126).

223434452 is a wasteful number, since it uses less digits than its factorization.

223434452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154775 (or 154754 counting only the distinct ones).

The product of its digits is 23040, while the sum is 29.

The square root of 223434452 is about 14947.7239739032. The cubic root of 223434452 is about 606.8062514755.

Adding to 223434452 its reverse (254434322), we get a palindrome (477868774).

The spelling of 223434452 in words is "two hundred twenty-three million, four hundred thirty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 19 38 76 361 722 1444 154733 309466 618932 2939927 5879854 11759708 55858613 111717226 223434452