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220297 = 7112861
BaseRepresentation
bin110101110010001001
3102012012011
4311302021
524022142
64415521
71605160
oct656211
9365164
10220297
11140570
12a75a1
137936c
145a3d7
1545417
hex35c89

220297 has 8 divisors (see below), whose sum is σ = 274752. Its totient is φ = 171600.

The previous prime is 220291. The next prime is 220301. The reversal of 220297 is 792022.

220297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220297 - 27 = 220169 is a prime.

It is an Ulam number.

It is a Duffinian number.

220297 is a modest number, since divided by 297 gives 220 as remainder.

220297 is a lucky 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 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (34344).

2220297 is an apocalyptic number.

It is an amenable number.

220297 is a deficient number, since it is larger than the sum of its proper divisors (54455).

220297 is a wasteful number, since it uses less digits than its factorization.

220297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 220297 is about 469.3580722647. The cubic root of 220297 is about 60.3952608009.

The spelling of 220297 in words is "two hundred twenty thousand, two hundred ninety-seven".

Divisors: 1 7 11 77 2861 20027 31471 220297