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214424111 = 111710111353
BaseRepresentation
bin11001100011111…
…01101000101111
3112221110212120202
430301331220233
5414343032421
633135504115
75212401116
oct1461755057
9487425522
10214424111
11100045010
125b98803b
1335567795
1420698c7d
1513c5810b
hexcc7da2f

214424111 has 16 divisors (see below), whose sum is σ = 250151328. Its totient is φ = 181632000.

The previous prime is 214424107. The next prime is 214424123. The reversal of 214424111 is 111424412.

It is not a de Polignac number, because 214424111 - 22 = 214424107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214424911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13211 + ... + 24563.

It is an arithmetic number, because the mean of its divisors is an integer number (15634458).

Almost surely, 2214424111 is an apocalyptic number.

214424111 is a deficient number, since it is larger than the sum of its proper divisors (35727217).

214424111 is a wasteful number, since it uses less digits than its factorization.

214424111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482.

The product of its digits is 256, while the sum is 20.

The square root of 214424111 is about 14643.2274789406. The cubic root of 214424111 is about 598.5372805024.

Adding to 214424111 its reverse (111424412), we get a palindrome (325848523).

The spelling of 214424111 in words is "two hundred fourteen million, four hundred twenty-four thousand, one hundred eleven".

Divisors: 1 11 17 101 187 1111 1717 11353 18887 124883 193001 1146653 2123011 12613183 19493101 214424111