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444422002 = 21495692621
BaseRepresentation
bin11010011111010…
…101011101110010
31010222020222101011
4122133111131302
51402233001002
6112033301134
714004344653
oct3237253562
91128228334
10444422002
11208956912
12104a047aa
13710c5acb
144304952a
152903a8d7
hex1a7d5772

444422002 has 16 divisors (see below), whose sum is σ = 672543000. Its totient is φ = 220247680.

The previous prime is 444421993. The next prime is 444422003. The reversal of 444422002 is 200224444.

It can be written as a sum of positive squares in 4 ways, for example, as 295118041 + 149303961 = 17179^2 + 12219^2 .

It is a super-3 number, since 3×4444220023 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (444422003) 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, 168252 + ... + 170872.

Almost surely, 2444422002 is an apocalyptic number.

444422002 is a deficient number, since it is larger than the sum of its proper divisors (228120998).

444422002 is a wasteful number, since it uses less digits than its factorization.

444422002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 444422002 is about 21081.3187917644. The cubic root of 444422002 is about 763.1299830598.

Adding to 444422002 its reverse (200224444), we get a palindrome (644646446).

The spelling of 444422002 in words is "four hundred forty-four million, four hundred twenty-two thousand, two".

Divisors: 1 2 149 298 569 1138 2621 5242 84781 169562 390529 781058 1491349 2982698 222211001 444422002