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214224142 = 21179123259
BaseRepresentation
bin11001100010011…
…00110100001110
3112221002201021111
430301030310032
5414320133032
633131322234
75210606116
oct1461146416
9487081244
10214224142
11aaa18850
125b8b037a
13354c7762
1420646046
1513c18c47
hexcc4cd0e

214224142 has 16 divisors (see below), whose sum is σ = 354988800. Its totient is φ = 96141240.

The previous prime is 214224133. The next prime is 214224163. The reversal of 214224142 is 241422412.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 59892 + ... + 63367.

It is an arithmetic number, because the mean of its divisors is an integer number (22186800).

Almost surely, 2214224142 is an apocalyptic number.

214224142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

214224142 is a deficient number, since it is larger than the sum of its proper divisors (140764658).

214224142 is a wasteful number, since it uses less digits than its factorization.

214224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123351.

The product of its digits is 1024, while the sum is 22.

The square root of 214224142 is about 14636.3978491977. The cubic root of 214224142 is about 598.3511600658.

Adding to 214224142 its reverse (241422412), we get a palindrome (455646554).

The spelling of 214224142 in words is "two hundred fourteen million, two hundred twenty-four thousand, one hundred forty-two".

Divisors: 1 2 11 22 79 158 869 1738 123259 246518 1355849 2711698 9737461 19474922 107112071 214224142