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4221044305 = 52689313949
BaseRepresentation
bin1111101110011000…
…0000011001010001
3101220011122021020021
43323212000121101
532121041404210
61534503343441
7206413166422
oct37346003121
911804567207
104221044305
111876740075
12999751b81
1352366656a
142c0853649
1519a889bda
hexfb980651

4221044305 has 8 divisors (see below), whose sum is σ = 5067153000. Its totient is φ = 3375568896.

The previous prime is 4221044299. The next prime is 4221044309. The reversal of 4221044305 is 5034401224.

It is a happy number.

4221044305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 210482064 + 4010562241 = 14508^2 + 63329^2 .

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 4221044305 - 211 = 4221042257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221044305.

It is not an unprimeable number, because it can be changed into a prime (4221044309) 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, 143530 + ... + 170419.

It is an arithmetic number, because the mean of its divisors is an integer number (633394125).

Almost surely, 24221044305 is an apocalyptic number.

It is an amenable number.

4221044305 is a deficient number, since it is larger than the sum of its proper divisors (846108695).

4221044305 is a wasteful number, since it uses less digits than its factorization.

4221044305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316643.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4221044305 is about 64969.5644513645. The cubic root of 4221044305 is about 1616.1188788279.

Adding to 4221044305 its reverse (5034401224), we get a palindrome (9255445529).

It can be divided in two parts, 422104 and 4305, that added together give a square (426409 = 6532).

The spelling of 4221044305 in words is "four billion, two hundred twenty-one million, forty-four thousand, three hundred five".

Divisors: 1 5 2689 13445 313949 1569745 844208861 4221044305