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4443430231 = 19212308671
BaseRepresentation
bin1000010001101100…
…10101110101010111
3102110200002122101001
410020312111311113
533100004231411
62012530044131
7215053351042
oct41066256527
912420078331
104443430231
111980222999
12a40119647
1355a75ac76
143021c1c59
151b0166dc1
hex108d95d57

4443430231 has 6 divisors (see below), whose sum is σ = 4689604032. Its totient is φ = 4209565140.

The previous prime is 4443430207. The next prime is 4443430253. The reversal of 4443430231 is 1320343444.

It is not a de Polignac number, because 4443430231 - 215 = 4443397463 is a prime.

It is a super-2 number, since 2×44434302312 = 39488144435529426722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4443430231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443430031) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6153975 + ... + 6154696.

It is an arithmetic number, because the mean of its divisors is an integer number (781600672).

Almost surely, 24443430231 is an apocalyptic number.

4443430231 is a deficient number, since it is larger than the sum of its proper divisors (246173801).

4443430231 is a wasteful number, since it uses less digits than its factorization.

4443430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12308709 (or 12308690 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4443430231 is about 66659.0596318310. The cubic root of 4443430231 is about 1644.0163101006.

Adding to 4443430231 its reverse (1320343444), we get a palindrome (5763773675).

The spelling of 4443430231 in words is "four billion, four hundred forty-three million, four hundred thirty thousand, two hundred thirty-one".

Divisors: 1 19 361 12308671 233864749 4443430231