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220293 = 3341199
BaseRepresentation
bin110101110010000101
3102012012000
4311302011
524022133
64415513
71605153
oct656205
9365160
10220293
11140567
12a7599
1379368
145a3d3
1545413
hex35c85

220293 has 16 divisors (see below), whose sum is σ = 336000. Its totient is φ = 142560.

The previous prime is 220291. The next prime is 220301. The reversal of 220293 is 392022.

220293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220293 - 21 = 220291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (21000).

2220293 is an apocalyptic number.

It is an amenable number.

220293 is a deficient number, since it is larger than the sum of its proper divisors (115707).

220293 is a wasteful number, since it uses less digits than its factorization.

220293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 220293 is about 469.3538111063. The cubic root of 220293 is about 60.3948952603.

The spelling of 220293 in words is "two hundred twenty thousand, two hundred ninety-three".

Divisors: 1 3 9 27 41 123 199 369 597 1107 1791 5373 8159 24477 73431 220293