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223345345 = 581155079
BaseRepresentation
bin11010100111111…
…11101011000001
3120120021010012211
431103333223001
5424134022340
634055022121
75351255416
oct1523775301
9516233184
10223345345
11105088733
126296a941
133736c312
142193c10d
151491b5ea
hexd4ffac1

223345345 has 8 divisors (see below), whose sum is σ = 268349760. Its totient is φ = 178452720.

The previous prime is 223345333. The next prime is 223345349. The reversal of 223345345 is 543543322.

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

It is not a de Polignac number, because 223345345 - 29 = 223344833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223345349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23485 + ... + 31594.

It is an arithmetic number, because the mean of its divisors is an integer number (33543720).

Almost surely, 2223345345 is an apocalyptic number.

It is an amenable number.

223345345 is a deficient number, since it is larger than the sum of its proper divisors (45004415).

223345345 is an equidigital number, since it uses as much as digits as its factorization.

223345345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55895.

The product of its digits is 43200, while the sum is 31.

The square root of 223345345 is about 14944.7430556701. The cubic root of 223345345 is about 606.7255747585.

Adding to 223345345 its reverse (543543322), we get a palindrome (766888667).

The spelling of 223345345 in words is "two hundred twenty-three million, three hundred forty-five thousand, three hundred forty-five".