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443674465 = 5136825761
BaseRepresentation
bin11010011100011…
…110111101100001
31010220211222221121
4122130132331201
51402040040330
6112005252241
713665112363
oct3234367541
91126758847
10443674465
11208496213
12104704081
1370bc3790
1442cd2d33
1528e3e17a
hex1a71ef61

443674465 has 8 divisors (see below), whose sum is σ = 573364008. Its totient is φ = 327636480.

The previous prime is 443674463. The next prime is 443674481. The reversal of 443674465 is 564476344.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14190289 + 429484176 = 3767^2 + 20724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 443674465 - 21 = 443674463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (443674463) 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 7 ways as a sum of consecutive naturals, for example, 3412816 + ... + 3412945.

It is an arithmetic number, because the mean of its divisors is an integer number (71670501).

Almost surely, 2443674465 is an apocalyptic number.

It is an amenable number.

443674465 is a deficient number, since it is larger than the sum of its proper divisors (129689543).

443674465 is a wasteful number, since it uses less digits than its factorization.

443674465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825779.

The product of its digits is 967680, while the sum is 43.

The square root of 443674465 is about 21063.5814855879. The cubic root of 443674465 is about 762.7018704061.

The spelling of 443674465 in words is "four hundred forty-three million, six hundred seventy-four thousand, four hundred sixty-five".

Divisors: 1 5 13 65 6825761 34128805 88734893 443674465