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223313041 = 724557409
BaseRepresentation
bin11010100111101…
…11110010010001
3120120012110220101
431103313302101
5424132004131
634054212401
75351062300
oct1523676221
9516173811
10223313041
11105066436
1262954101
133735a6c3
1421930437
1514911c61
hexd4f7c91

223313041 has 6 divisors (see below), whose sum is σ = 259772370. Its totient is φ = 191411136.

The previous prime is 223313039. The next prime is 223313047. The reversal of 223313041 is 140313322.

It can be written as a sum of positive squares in only one way, i.e., 215473041 + 7840000 = 14679^2 + 2800^2 .

It is not a de Polignac number, because 223313041 - 21 = 223313039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223313047) 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, 2278656 + ... + 2278753.

It is an arithmetic number, because the mean of its divisors is an integer number (43295395).

Almost surely, 2223313041 is an apocalyptic number.

It is an amenable number.

223313041 is a deficient number, since it is larger than the sum of its proper divisors (36459329).

223313041 is an equidigital number, since it uses as much as digits as its factorization.

223313041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557423 (or 4557416 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 223313041 is about 14943.6622352086. The cubic root of 223313041 is about 606.6963216931.

Adding to 223313041 its reverse (140313322), we get a palindrome (363626363).

The spelling of 223313041 in words is "two hundred twenty-three million, three hundred thirteen thousand, forty-one".

Divisors: 1 7 49 4557409 31901863 223313041