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1042682789 is a prime number
BaseRepresentation
bin111110001001100…
…001001110100101
32200122222202220002
4332021201032211
54113411322124
6251244151045
734560441341
oct7611411645
92618882802
101042682789
11495627015
12251238485
13138032b85
149c69c621
15618130ae
hex3e2613a5

1042682789 has 2 divisors, whose sum is σ = 1042682790. Its totient is φ = 1042682788.

The previous prime is 1042682761. The next prime is 1042682803. The reversal of 1042682789 is 9872862401.

It is a happy number.

1042682789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701985025 + 340697764 = 26495^2 + 18458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042682789 - 216 = 1042617253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042682749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521341394 + 521341395.

It is an arithmetic number, because the mean of its divisors is an integer number (521341395).

Almost surely, 21042682789 is an apocalyptic number.

It is an amenable number.

1042682789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042682789 is an equidigital number, since it uses as much as digits as its factorization.

1042682789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1042682789 is about 32290.5990808470. The cubic root of 1042682789 is about 1014.0298394117.

The spelling of 1042682789 in words is "one billion, forty-two million, six hundred eighty-two thousand, seven hundred eighty-nine".