Base | Representation |
---|---|
bin | 1000010011010001… |
… | …0110001001101001 |
3 | 12202021222010011011 |
4 | 2010310112021221 |
5 | 14030422032404 |
6 | 1005040303521 |
7 | 106135235254 |
oct | 20464261151 |
9 | 5667863134 |
10 | 2228314729 |
11 | a43909923 |
12 | 522311ba1 |
13 | 296866534 |
14 | 171d2c09b |
15 | d0961604 |
hex | 84d16269 |
2228314729 has 8 divisors (see below), whose sum is σ = 2359902600. Its totient is φ = 2096783616.
The previous prime is 2228314723. The next prime is 2228314747. The reversal of 2228314729 is 9274138222.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1550233129 + 678081600 = 39373^2 + 26040^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2228314729 - 23 = 2228314721 is a prime.
It is a super-3 number, since 3×22283147293 (a number of 29 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2228314691 and 2228314700.
It is not an unprimeable number, because it can be changed into a prime (2228314721) 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 7 ways as a sum of consecutive naturals, for example, 87547 + ... + 110095.
It is an arithmetic number, because the mean of its divisors is an integer number (294987825).
Almost surely, 22228314729 is an apocalyptic number.
It is an amenable number.
2228314729 is a deficient number, since it is larger than the sum of its proper divisors (131587871).
2228314729 is a wasteful number, since it uses less digits than its factorization.
2228314729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28379.
The product of its digits is 96768, while the sum is 40.
The square root of 2228314729 is about 47205.0286410251. The cubic root of 2228314729 is about 1306.1473600693.
The spelling of 2228314729 in words is "two billion, two hundred twenty-eight million, three hundred fourteen thousand, seven hundred twenty-nine".
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