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768066845 = 57132716229
BaseRepresentation
bin101101110001111…
…100010100011101
31222112020211122012
4231301330110131
53033111114340
6204114201005
725014313640
oct5561742435
91875224565
10768066845
1136460aa97
12195283165
13c3182030
1474015a57
154766a565
hex2dc7c51d

768066845 has 32 divisors (see below), whose sum is σ = 1138744320. Its totient is φ = 484289280.

The previous prime is 768066829. The next prime is 768066857. The reversal of 768066845 is 548660867.

It is a happy number.

It is not a de Polignac number, because 768066845 - 24 = 768066829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 768066793 and 768066802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120191 + ... + 126419.

It is an arithmetic number, because the mean of its divisors is an integer number (35585760).

Almost surely, 2768066845 is an apocalyptic number.

It is an amenable number.

768066845 is a deficient number, since it is larger than the sum of its proper divisors (370677475).

768066845 is a wasteful number, since it uses less digits than its factorization.

768066845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 768066845 is about 27714.0189254464. The cubic root of 768066845 is about 915.7979621689.

The spelling of 768066845 in words is "seven hundred sixty-eight million, sixty-six thousand, eight hundred forty-five".

Divisors: 1 5 7 13 35 65 91 271 455 1355 1897 3523 6229 9485 17615 24661 31145 43603 80977 123305 218015 404885 566839 1688059 2834195 8440295 11816413 21944767 59082065 109723835 153613369 768066845