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214844 = 2277673
BaseRepresentation
bin110100011100111100
3101220201012
4310130330
523333334
64334352
71553240
oct643474
9356635
10214844
11137463
12a43b8
1376a36
1458420
15439ce
hex3473c

214844 has 12 divisors (see below), whose sum is σ = 429744. Its totient is φ = 92064.

The previous prime is 214831. The next prime is 214849. The reversal of 214844 is 448412.

214844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

214844 is an admirable number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214849) by changing a digit.

214844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3809 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (35812).

2214844 is an apocalyptic number.

It is an amenable number.

214844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214844 is a wasteful number, since it uses less digits than its factorization.

214844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684 (or 7682 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 214844 is about 463.5126751233. The cubic root of 214844 is about 59.8927714444.

The spelling of 214844 in words is "two hundred fourteen thousand, eight hundred forty-four".

Divisors: 1 2 4 7 14 28 7673 15346 30692 53711 107422 214844