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214911 = 3223879
BaseRepresentation
bin110100011101111111
3101220210200
4310131333
523334121
64334543
71553364
oct643577
9356720
10214911
11137514
12a4453
1376a88
145846b
1543a26
hex3477f

214911 has 6 divisors (see below), whose sum is σ = 310440. Its totient is φ = 143268.

The previous prime is 214891. The next prime is 214913. The reversal of 214911 is 119412.

It is not a de Polignac number, because 214911 - 27 = 214783 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214913) 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 5 ways as a sum of consecutive naturals, for example, 11931 + ... + 11948.

It is an arithmetic number, because the mean of its divisors is an integer number (51740).

2214911 is an apocalyptic number.

214911 is a deficient number, since it is larger than the sum of its proper divisors (95529).

214911 is a wasteful number, since it uses less digits than its factorization.

214911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23885 (or 23882 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 214911 is about 463.5849436727. The cubic root of 214911 is about 59.8989967344.

The spelling of 214911 in words is "two hundred fourteen thousand, nine hundred eleven".

Divisors: 1 3 9 23879 71637 214911