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444142042 = 2269982279
BaseRepresentation
bin11010011110010…
…001000111011010
31010221201202100021
4122132101013122
51402200021132
6112023301054
714002100521
oct3236210732
91127652307
10444142042
11208785543
121048aa78a
1371028556
1442db54b8
1528ed2997
hex1a7911da

444142042 has 8 divisors (see below), whose sum is σ = 666468000. Its totient is φ = 221986044.

The previous prime is 444142019. The next prime is 444142079. The reversal of 444142042 is 240241444.

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 = 444141998 and 444142016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35742 + ... + 46537.

It is an arithmetic number, because the mean of its divisors is an integer number (83308500).

Almost surely, 2444142042 is an apocalyptic number.

444142042 is a deficient number, since it is larger than the sum of its proper divisors (222325958).

444142042 is a wasteful number, since it uses less digits than its factorization.

444142042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84980.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 444142042 is about 21074.6777436809. The cubic root of 444142042 is about 762.9697069061.

Adding to 444142042 its reverse (240241444), we get a palindrome (684383486).

The spelling of 444142042 in words is "four hundred forty-four million, one hundred forty-two thousand, forty-two".

Divisors: 1 2 2699 5398 82279 164558 222071021 444142042