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223505441 is a prime number
BaseRepresentation
bin11010101001001…
…10110000100001
3120120120020211022
431110212300201
5424204133231
634102255225
75352523235
oct1524466041
9516506738
10223505441
11105187a45
1262a27515
13373c7153
14219805c5
151494dc7b
hexd526c21

223505441 has 2 divisors, whose sum is σ = 223505442. Its totient is φ = 223505440.

The previous prime is 223505423. The next prime is 223505453. The reversal of 223505441 is 144505322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216237025 + 7268416 = 14705^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 223505441 - 210 = 223504417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223505441.

It is not a weakly prime, because it can be changed into another prime (223505411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111752720 + 111752721.

It is an arithmetic number, because the mean of its divisors is an integer number (111752721).

Almost surely, 2223505441 is an apocalyptic number.

It is an amenable number.

223505441 is a deficient number, since it is larger than the sum of its proper divisors (1).

223505441 is an equidigital number, since it uses as much as digits as its factorization.

223505441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 223505441 is about 14950.0983608804. The cubic root of 223505441 is about 606.8705089603.

The spelling of 223505441 in words is "two hundred twenty-three million, five hundred five thousand, four hundred forty-one".