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223223313 = 374407771
BaseRepresentation
bin11010100111000…
…01111000010001
3120120000220211010
431103201320101
5424121121223
634052241133
75350236555
oct1523417021
9516026733
10223223313
11105004a85
12629101a9
1337328901
1421909865
15148e5393
hexd4e1e11

223223313 has 4 divisors (see below), whose sum is σ = 297631088. Its totient is φ = 148815540.

The previous prime is 223223249. The next prime is 223223327. The reversal of 223223313 is 313322322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 223223313 - 26 = 223223249 is a prime.

It is a super-3 number, since 3×2232233133 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223223313.

It is not an unprimeable number, because it can be changed into a prime (223223213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37203883 + ... + 37203888.

It is an arithmetic number, because the mean of its divisors is an integer number (74407772).

Almost surely, 2223223313 is an apocalyptic number.

It is an amenable number.

223223313 is a deficient number, since it is larger than the sum of its proper divisors (74407775).

223223313 is an equidigital number, since it uses as much as digits as its factorization.

223223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74407774.

The product of its digits is 1296, while the sum is 21.

The square root of 223223313 is about 14940.6597243897. The cubic root of 223223313 is about 606.6150532040.

Adding to 223223313 its reverse (313322322), we get a palindrome (536545635).

Subtracting 223223313 from its reverse (313322322), we obtain a palindrome (90099009).

The spelling of 223223313 in words is "two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 3 74407771 223223313