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1068409093 = 7314635741
BaseRepresentation
bin111111101011101…
…010000100000101
32202110101210202011
4333223222010011
54142003042333
6254003414221
735322220213
oct7753520405
92673353664
101068409093
114a90a8624
12259984371
1314046c83b
14a1c77cb3
1563be59cd
hex3faea105

1068409093 has 4 divisors (see below), whose sum is σ = 1083044908. Its totient is φ = 1053773280.

The previous prime is 1068409063. The next prime is 1068409103. The reversal of 1068409093 is 3909048601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3909048601 = 4390908107.

It can be written as a sum of positive squares in 2 ways, for example, as 349203969 + 719205124 = 18687^2 + 26818^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068409093 - 213 = 1068400901 is a prime.

It is a super-2 number, since 2×10684090932 = 2282995980010165298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068409063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7317798 + ... + 7317943.

It is an arithmetic number, because the mean of its divisors is an integer number (270761227).

Almost surely, 21068409093 is an apocalyptic number.

It is an amenable number.

1068409093 is a deficient number, since it is larger than the sum of its proper divisors (14635815).

1068409093 is an equidigital number, since it uses as much as digits as its factorization.

1068409093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14635814.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1068409093 is about 32686.5276987324. The cubic root of 1068409093 is about 1022.3019562521.

The spelling of 1068409093 in words is "one billion, sixty-eight million, four hundred nine thousand, ninety-three".

Divisors: 1 73 14635741 1068409093