Base | Representation |
---|---|
bin | 11001101000000… |
… | …11011011011010 |
3 | 112222111201022110 |
4 | 30310003123122 |
5 | 420013101442 |
6 | 33155333150 |
7 | 5220142611 |
oct | 1464033332 |
9 | 488451273 |
10 | 214972122 |
11 | 100389812 |
12 | 5bbb11b6 |
13 | 356ca051 |
14 | 2079c878 |
15 | 13d1569c |
hex | cd036da |
214972122 has 16 divisors (see below), whose sum is σ = 448637760. Its totient is φ = 68541792.
The previous prime is 214972117. The next prime is 214972127. The reversal of 214972122 is 221279412.
214972122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (214972117) and next prime (214972127).
It is a self number, because there is not a number n which added to its sum of digits gives 214972122.
It is not an unprimeable number, because it can be changed into a prime (214972127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778747 + ... + 779022.
It is an arithmetic number, because the mean of its divisors is an integer number (28039860).
Almost surely, 2214972122 is an apocalyptic number.
214972122 is an abundant number, since it is smaller than the sum of its proper divisors (233665638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
214972122 is a wasteful number, since it uses less digits than its factorization.
214972122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1557797.
The product of its digits is 4032, while the sum is 30.
The square root of 214972122 is about 14661.9276358874. The cubic root of 214972122 is about 599.0467474291.
The spelling of 214972122 in words is "two hundred fourteen million, nine hundred seventy-two thousand, one hundred twenty-two".
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