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1442307043 = 19103809911
BaseRepresentation
bin101010111110111…
…1101101111100011
310201111221210022101
41111331331233203
510423212311133
6355041351231
750512256542
oct12575755743
93644853271
101442307043
116801656a1
12343038517
1319ca72428
14d97a6159
158695037d
hex55f7dbe3

1442307043 has 16 divisors (see below), whose sum is σ = 1536537600. Its totient is φ = 1349974080.

The previous prime is 1442307017. The next prime is 1442307071. The reversal of 1442307043 is 3407032441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1442307043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442304043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582758 + ... + 1583668.

It is an arithmetic number, because the mean of its divisors is an integer number (96033600).

Almost surely, 21442307043 is an apocalyptic number.

1442307043 is a deficient number, since it is larger than the sum of its proper divisors (94230557).

1442307043 is a wasteful number, since it uses less digits than its factorization.

1442307043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1442307043 is about 37977.7177171035. The cubic root of 1442307043 is about 1129.8459713829.

Adding to 1442307043 its reverse (3407032441), we get a palindrome (4849339484).

The spelling of 1442307043 in words is "one billion, four hundred forty-two million, three hundred seven thousand, forty-three".

Divisors: 1 19 103 809 911 1957 15371 17309 83327 93833 736999 1583213 1782827 14002981 75910897 1442307043