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220793 is a prime number
BaseRepresentation
bin110101111001111001
3102012212112
4311321321
524031133
64422105
71606466
oct657171
9365775
10220793
11140981
12a7935
1379661
145a66d
1545648
hex35e79

220793 has 2 divisors, whose sum is σ = 220794. Its totient is φ = 220792.

The previous prime is 220789. The next prime is 220807. The reversal of 220793 is 397022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218089 + 2704 = 467^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 220793 - 22 = 220789 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110396 + 110397.

It is an arithmetic number, because the mean of its divisors is an integer number (110397).

2220793 is an apocalyptic number.

It is an amenable number.

220793 is a deficient number, since it is larger than the sum of its proper divisors (1).

220793 is an equidigital number, since it uses as much as digits as its factorization.

220793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 220793 is about 469.8861564251. The cubic root of 220793 is about 60.4405535880.

The spelling of 220793 in words is "two hundred twenty thousand, seven hundred ninety-three".