Base | Representation |
---|---|
bin | 11010010111110… |
… | …11010110110010 |
3 | 120102021200012202 |
4 | 31023323112302 |
5 | 423113334024 |
6 | 33541423202 |
7 | 5324266631 |
oct | 1513732662 |
9 | 512250182 |
10 | 221230514 |
11 | 10397383a |
12 | 6210ab02 |
13 | 36aab83b |
14 | 2154b518 |
15 | 1464ebae |
hex | d2fb5b2 |
221230514 has 8 divisors (see below), whose sum is σ = 346273920. Its totient is φ = 105805876.
The previous prime is 221230481. The next prime is 221230543. The reversal of 221230514 is 415032122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 2404634 + ... + 2404725.
It is an arithmetic number, because the mean of its divisors is an integer number (43284240).
Almost surely, 2221230514 is an apocalyptic number.
221230514 is a deficient number, since it is larger than the sum of its proper divisors (125043406).
221230514 is a wasteful number, since it uses less digits than its factorization.
221230514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4809384.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 221230514 is about 14873.8197514963. The cubic root of 221230514 is about 604.8044938947.
Adding to 221230514 its reverse (415032122), we get a palindrome (636262636).
The spelling of 221230514 in words is "two hundred twenty-one million, two hundred thirty thousand, five hundred fourteen".
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