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214908 = 22317909
BaseRepresentation
bin110100011101111100
3101220210120
4310131330
523334113
64334540
71553361
oct643574
9356716
10214908
11137511
12a4450
1376a85
1458468
1543a23
hex3477c

214908 has 12 divisors (see below), whose sum is σ = 501480. Its totient is φ = 71632.

The previous prime is 214891. The next prime is 214913. The reversal of 214908 is 809412.

214908 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8943 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (41790).

2214908 is an apocalyptic number.

It is an amenable number.

214908 is an abundant number, since it is smaller than the sum of its proper divisors (286572).

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

214908 is a wasteful number, since it uses less digits than its factorization.

214908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916 (or 17914 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 214908 is about 463.5817080084. The cubic root of 214908 is about 59.8987180178.

The spelling of 214908 in words is "two hundred fourteen thousand, nine hundred eight".

Divisors: 1 2 3 4 6 12 17909 35818 53727 71636 107454 214908