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BaseRepresentation
bin110101111011011110
3102020000021
4311323132
524032034
64422354
71610002
oct657336
9366007
10220894
11140a63
12a79ba
137970b
145a702
15456b4
hex35ede

220894 has 8 divisors (see below), whose sum is σ = 348840. Its totient is φ = 104616.

The previous prime is 220889. The next prime is 220897. The reversal of 220894 is 498022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2869 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (43605).

2220894 is an apocalyptic number.

220894 is a deficient number, since it is larger than the sum of its proper divisors (127946).

220894 is a wasteful number, since it uses less digits than its factorization.

220894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 220894 is about 469.9936169779. The cubic root of 220894 is about 60.4497681998.

The spelling of 220894 in words is "two hundred twenty thousand, eight hundred ninety-four".

Divisors: 1 2 19 38 5813 11626 110447 220894