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223043461 is a prime number
BaseRepresentation
bin11010100101101…
…01111110000101
3120112200210002221
431102311332011
5424044342321
634044332341
75345560324
oct1522657605
9515623087
10223043461
111049a1943
12628440b1
1337294aa4
14218a00bb
15148abe41
hexd4b5f85

223043461 has 2 divisors, whose sum is σ = 223043462. Its totient is φ = 223043460.

The previous prime is 223043411. The next prime is 223043467. The reversal of 223043461 is 164340322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123343236 + 99700225 = 11106^2 + 9985^2 .

It is a cyclic number.

It is not a de Polignac number, because 223043461 - 27 = 223043333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223043467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111521730 + 111521731.

It is an arithmetic number, because the mean of its divisors is an integer number (111521731).

Almost surely, 2223043461 is an apocalyptic number.

It is an amenable number.

223043461 is a deficient number, since it is larger than the sum of its proper divisors (1).

223043461 is an equidigital number, since it uses as much as digits as its factorization.

223043461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 223043461 is about 14934.6396340856. The cubic root of 223043461 is about 606.4520919625.

Adding to 223043461 its reverse (164340322), we get a palindrome (387383783).

The spelling of 223043461 in words is "two hundred twenty-three million, forty-three thousand, four hundred sixty-one".