Base | Representation |
---|---|
bin | 11010010110001… |
… | …10100001101010 |
3 | 120101212200101020 |
4 | 31023012201222 |
5 | 423034422442 |
6 | 33533033310 |
7 | 5322406020 |
oct | 1513064152 |
9 | 511780336 |
10 | 221014122 |
11 | 1038361aa |
12 | 62025836 |
13 | 36a341b4 |
14 | 214d2710 |
15 | 1460a9ec |
hex | d2c686a |
221014122 has 32 divisors (see below), whose sum is σ = 507838464. Its totient is φ = 62814000.
The previous prime is 221014121. The next prime is 221014139. The reversal of 221014122 is 221410122.
It is not an unprimeable number, because it can be changed into a prime (221014121) 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 15 ways as a sum of consecutive naturals, for example, 5754 + ... + 21797.
It is an arithmetic number, because the mean of its divisors is an integer number (15869952).
Almost surely, 2221014122 is an apocalyptic number.
221014122 is an abundant number, since it is smaller than the sum of its proper divisors (286824342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221014122 is a wasteful number, since it uses less digits than its factorization.
221014122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27754.
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 221014122 is about 14866.5437139908. The cubic root of 221014122 is about 604.6072372780.
Adding to 221014122 its reverse (221410122), we get a palindrome (442424244).
The spelling of 221014122 in words is "two hundred twenty-one million, fourteen thousand, one hundred twenty-two".
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