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220236193 is a prime number
BaseRepresentation
bin11010010000010…
…00100110100001
3120100102011021001
431020020212201
5422340024233
633504232001
75312656012
oct1510104641
9510364231
10220236193
11103354791
126190b601
1336821098
142136d009
151450527d
hexd2089a1

220236193 has 2 divisors, whose sum is σ = 220236194. Its totient is φ = 220236192.

The previous prime is 220236167. The next prime is 220236199. The reversal of 220236193 is 391632022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217621504 + 2614689 = 14752^2 + 1617^2 .

It is a cyclic number.

It is not a de Polignac number, because 220236193 - 221 = 218139041 is a prime.

It is not a weakly prime, because it can be changed into another prime (220236199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110118096 + 110118097.

It is an arithmetic number, because the mean of its divisors is an integer number (110118097).

Almost surely, 2220236193 is an apocalyptic number.

It is an amenable number.

220236193 is a deficient number, since it is larger than the sum of its proper divisors (1).

220236193 is an equidigital number, since it uses as much as digits as its factorization.

220236193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 220236193 is about 14840.3569027163. The cubic root of 220236193 is about 603.8970346609.

The spelling of 220236193 in words is "two hundred twenty million, two hundred thirty-six thousand, one hundred ninety-three".