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443324401 = 1373569821
BaseRepresentation
bin11010011011001…
…001011111110001
31010220012012202021
4122123021133301
51401442340101
6111553551441
713662123652
oct3233113761
91126165667
10443324401
11208277203
12104575581
1370b00340
1442c41529
1528dc05a1
hex1a6c97f1

443324401 has 16 divisors (see below), whose sum is σ = 485407440. Its totient is φ = 402416640.

The previous prime is 443324389. The next prime is 443324411. The reversal of 443324401 is 104423344.

It can be written as a sum of positive squares in 8 ways, for example, as 88378801 + 354945600 = 9401^2 + 18840^2 .

It is a cyclic number.

It is not a de Polignac number, because 443324401 - 25 = 443324369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443324411) 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 15 ways as a sum of consecutive naturals, for example, 539571 + ... + 540391.

It is an arithmetic number, because the mean of its divisors is an integer number (30337965).

Almost surely, 2443324401 is an apocalyptic number.

It is an amenable number.

443324401 is a deficient number, since it is larger than the sum of its proper divisors (42083039).

443324401 is a wasteful number, since it uses less digits than its factorization.

443324401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

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

The square root of 443324401 is about 21055.2701478751. The cubic root of 443324401 is about 762.5012242567.

Adding to 443324401 its reverse (104423344), we get a palindrome (547747745).

The spelling of 443324401 in words is "four hundred forty-three million, three hundred twenty-four thousand, four hundred one".

Divisors: 1 13 73 569 821 949 7397 10673 41537 59933 467149 539981 779129 6072937 34101877 443324401