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220200293 is a prime number
BaseRepresentation
bin11010001111111…
…11110101100101
3120100100100000102
431013333311211
5422332402133
633503353445
75312446235
oct1507776545
9510310012
10220200293
1110332a815
12618b2885
133680a941
142135dcc5
15144e97e8
hexd1ffd65

220200293 has 2 divisors, whose sum is σ = 220200294. Its totient is φ = 220200292.

The previous prime is 220200263. The next prime is 220200313. The reversal of 220200293 is 392002022.

It is an a-pointer prime, because the next prime (220200313) can be obtained adding 220200293 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180042724 + 40157569 = 13418^2 + 6337^2 .

It is a cyclic number.

It is not a de Polignac number, because 220200293 - 216 = 220134757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220200203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100146 + 110100147.

It is an arithmetic number, because the mean of its divisors is an integer number (110100147).

Almost surely, 2220200293 is an apocalyptic number.

It is an amenable number.

220200293 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200293 is an equidigital number, since it uses as much as digits as its factorization.

220200293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 220200293 is about 14839.1473137778. The cubic root of 220200293 is about 603.8642197674.

The spelling of 220200293 in words is "two hundred twenty million, two hundred thousand, two hundred ninety-three".