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4404430213 = 8713505501
BaseRepresentation
bin1000001101000011…
…00100010110000101
3102100221201020101221
410012201210112011
533010013231323
62005014120341
7214101016261
oct40641442605
912327636357
104404430213
111960205677
12a2b0500b1
13552654631
142dad4d0a1
151aba1155d
hex106864585

4404430213 has 4 divisors (see below), whose sum is σ = 4404944428. Its totient is φ = 4403916000.

The previous prime is 4404430211. The next prime is 4404430243. The reversal of 4404430213 is 3120344044.

4404430213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4091777089 + 312653124 = 63967^2 + 17682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4404430213 - 21 = 4404430211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404430211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244038 + ... + 261463.

It is an arithmetic number, because the mean of its divisors is an integer number (1101236107).

Almost surely, 24404430213 is an apocalyptic number.

It is an amenable number.

4404430213 is a deficient number, since it is larger than the sum of its proper divisors (514215).

4404430213 is an equidigital number, since it uses as much as digits as its factorization.

4404430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514214.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4404430213 is about 66365.8813924746. The cubic root of 4404430213 is about 1639.1923215338.

Adding to 4404430213 its reverse (3120344044), we get a palindrome (7524774257).

The spelling of 4404430213 in words is "four billion, four hundred four million, four hundred thirty thousand, two hundred thirteen".

Divisors: 1 8713 505501 4404430213