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1442044742 = 2907794953
BaseRepresentation
bin101010111110011…
…1101101101000110
310201111110110111112
41111330331231012
510423130412432
6355032005022
750510115035
oct12574755506
93644413445
101442044742
1167aaa6616
12342b30772
1319c9acc18
14d973871c
15868ec7b2
hex55f3db46

1442044742 has 8 divisors (see below), whose sum is σ = 2165454696. Its totient is φ = 720226512.

The previous prime is 1442044727. The next prime is 1442044753. The reversal of 1442044742 is 2474402441.

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 = 1442044699 and 1442044708.

It is a congruent number.

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, 395663 + ... + 399290.

It is an arithmetic number, because the mean of its divisors is an integer number (270681837).

Almost surely, 21442044742 is an apocalyptic number.

1442044742 is a deficient number, since it is larger than the sum of its proper divisors (723409954).

1442044742 is an equidigital number, since it uses as much as digits as its factorization.

1442044742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795862.

The product of its (nonzero) digits is 28672, while the sum is 32.

The square root of 1442044742 is about 37974.2642061699. The cubic root of 1442044742 is about 1129.7774751736. Note that the first 3 decimals are identical.

The spelling of 1442044742 in words is "one billion, four hundred forty-two million, forty-four thousand, seven hundred forty-two".

Divisors: 1 2 907 1814 794953 1589906 721022371 1442044742