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1068932745 = 32523754061
BaseRepresentation
bin111111101101101…
…001111010001001
32202111101102001200
4333231221322021
54142121321440
6254022534413
735326530666
oct7755517211
92674342050
101068932745
114a9425aa1
12259b97409
131405c3caa
14a1d72a6d
1563c9ac30
hex3fb69e89

1068932745 has 12 divisors (see below), whose sum is σ = 1852816836. Its totient is φ = 570097440.

The previous prime is 1068932741. The next prime is 1068932789. The reversal of 1068932745 is 5472398601.

1068932745 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 215825481 + 853107264 = 14691^2 + 29208^2 .

It is not a de Polignac number, because 1068932745 - 22 = 1068932741 is a prime.

It is a super-2 number, since 2×10689327452 = 2285234426666470050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 23754061 = 1068932745 / (1 + 0 + 6 + 8 + 9 + 3 + 2 + 7 + 4 + 5).

1068932745 is strictly pandigital in base 10.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068932745.

It is not an unprimeable number, because it can be changed into a prime (1068932741) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11876986 + ... + 11877075.

It is an arithmetic number, because the mean of its divisors is an integer number (154401403).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1068932745 = 2137865490, but 3⋅1068932745 = 3206798235 is not.

Almost surely, 21068932745 is an apocalyptic number.

1068932745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1068932745 is a deficient number, since it is larger than the sum of its proper divisors (783884091).

1068932745 is a wasteful number, since it uses less digits than its factorization.

1068932745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23754072 (or 23754069 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1068932745 is about 32694.5369289733. The cubic root of 1068932745 is about 1022.4689469151.

It can be divided in two parts, 10689 and 32745, that added together give a palindrome (43434).

The spelling of 1068932745 in words is "one billion, sixty-eight million, nine hundred thirty-two thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 23754061 71262183 118770305 213786549 356310915 1068932745