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4343042221 = 72004730949
BaseRepresentation
bin1000000101101110…
…11001000010101101
3102012200012101220121
410002313121002231
532343304322341
61554542244541
7212424151450
oct40267310255
912180171817
104343042221
1119295969a1
12a12586751
13542a0c98b
142d2b2d497
151a64374d1
hex102dd90ad

4343042221 has 8 divisors (see below), whose sum is σ = 4963884800. Its totient is φ = 3722301648.

The previous prime is 4343042213. The next prime is 4343042227. The reversal of 4343042221 is 1222403434.

It is a happy number.

4343042221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4343042221 - 23 = 4343042213 is a prime.

It is a super-2 number, since 2×43430422212 = 37724031466777225682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4343042227) 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, 124855 + ... + 155803.

It is an arithmetic number, because the mean of its divisors is an integer number (620485600).

Almost surely, 24343042221 is an apocalyptic number.

It is an amenable number.

4343042221 is a deficient number, since it is larger than the sum of its proper divisors (620842579).

4343042221 is a wasteful number, since it uses less digits than its factorization.

4343042221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51003.

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

The square root of 4343042221 is about 65901.7618960222. The cubic root of 4343042221 is about 1631.5410947247.

Adding to 4343042221 its reverse (1222403434), we get a palindrome (5565445655).

The spelling of 4343042221 in words is "four billion, three hundred forty-three million, forty-two thousand, two hundred twenty-one".

Divisors: 1 7 20047 30949 140329 216643 620434603 4343042221