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220834 = 21091013
BaseRepresentation
bin110101111010100010
3102012221001
4311322202
524031314
64422214
71606555
oct657242
9365831
10220834
11140a09
12a796a
1379693
145a69c
1545674
hex35ea2

220834 has 8 divisors (see below), whose sum is σ = 334620. Its totient is φ = 109296.

The previous prime is 220811. The next prime is 220841. The reversal of 220834 is 438022.

It is a happy number.

220834 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205209 + 15625 = 453^2 + 125^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289 + ... + 724.

2220834 is an apocalyptic number.

220834 is a deficient number, since it is larger than the sum of its proper divisors (113786).

220834 is a wasteful number, since it uses less digits than its factorization.

220834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220834 is about 469.9297819888. The cubic root of 220834 is about 60.4442945118. Note that the first 3 decimals are identical.

Adding to 220834 its reverse (438022), we get a palindrome (658856).

The spelling of 220834 in words is "two hundred twenty thousand, eight hundred thirty-four".

Divisors: 1 2 109 218 1013 2026 110417 220834