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444030330 = 23514801011
BaseRepresentation
bin11010011101110…
…101110101111010
31010221112002002210
4122131311311322
51402132432310
6112021035550
714001124032
oct3235656572
91127462083
10444030330
11208709617
12104855bb6
1370cb9753
1442d868c2
1528eae820
hex1a775d7a

444030330 has 16 divisors (see below), whose sum is σ = 1065672864. Its totient is φ = 118408080.

The previous prime is 444030271. The next prime is 444030331. The reversal of 444030330 is 33030444.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 444030297 and 444030306.

It is not an unprimeable number, because it can be changed into a prime (444030331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7400476 + ... + 7400535.

It is an arithmetic number, because the mean of its divisors is an integer number (66604554).

Almost surely, 2444030330 is an apocalyptic number.

444030330 is an abundant number, since it is smaller than the sum of its proper divisors (621642534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444030330 is a wasteful number, since it uses less digits than its factorization.

444030330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801021.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 444030330 is about 21072.0271924654. The cubic root of 444030330 is about 762.9057333640.

Adding to 444030330 its reverse (33030444), we get a palindrome (477060774).

The spelling of 444030330 in words is "four hundred forty-four million, thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 14801011 29602022 44403033 74005055 88806066 148010110 222015165 444030330