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444430042 = 2731745003
BaseRepresentation
bin11010011111010…
…111011011011010
31010222021101101221
4122133113123122
51402233230132
6112033402254
714004410260
oct3237273332
91128241357
10444430042
11208961961
12104a0938a
13710c9674
144304c430
152903ce97
hex1a7d76da

444430042 has 8 divisors (see below), whose sum is σ = 761880096. Its totient is φ = 190470012.

The previous prime is 444430039. The next prime is 444430087. The reversal of 444430042 is 240034444.

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

It is a junction number, because it is equal to n+sod(n) for n = 444429989 and 444430016.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15872488 + ... + 15872515.

It is an arithmetic number, because the mean of its divisors is an integer number (95235012).

Almost surely, 2444430042 is an apocalyptic number.

444430042 is a deficient number, since it is larger than the sum of its proper divisors (317450054).

444430042 is a wasteful number, since it uses less digits than its factorization.

444430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31745012.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 444430042 is about 21081.5094810595. The cubic root of 444430042 is about 763.1345849382.

Adding to 444430042 its reverse (240034444), we get a palindrome (684464486).

The spelling of 444430042 in words is "four hundred forty-four million, four hundred thirty thousand, forty-two".

Divisors: 1 2 7 14 31745003 63490006 222215021 444430042