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214321121 = 7196126417
BaseRepresentation
bin11001100011001…
…00011111100001
3112221021122022022
430301210133201
5414331233441
633133351225
75211461630
oct1461443741
9487248268
10214321121
11aaa846a3
125b938515
133552c941
142066d517
1513c3784b
hexcc647e1

214321121 has 16 divisors (see below), whose sum is σ = 262066560. Its totient is φ = 171175680.

The previous prime is 214321087. The next prime is 214321127. The reversal of 214321121 is 121123412.

214321121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-214321121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214321121.

It is not an unprimeable number, because it can be changed into a prime (214321127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5096 + ... + 21321.

It is an arithmetic number, because the mean of its divisors is an integer number (16379160).

Almost surely, 2214321121 is an apocalyptic number.

It is an amenable number.

214321121 is a deficient number, since it is larger than the sum of its proper divisors (47745439).

214321121 is a wasteful number, since it uses less digits than its factorization.

214321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26504.

The product of its digits is 96, while the sum is 17.

The square root of 214321121 is about 14639.7104138026. The cubic root of 214321121 is about 598.4414373839.

Adding to 214321121 its reverse (121123412), we get a palindrome (335444533).

The spelling of 214321121 in words is "two hundred fourteen million, three hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 7 19 61 133 427 1159 8113 26417 184919 501923 1611437 3513461 11280059 30617303 214321121