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768242867 = 7109748981
BaseRepresentation
bin101101110010100…
…111010010110011
31222112120210002112
4231302213102303
53033132232432
6204122035535
725015646060
oct5562472263
91875523075
10768242867
11364720267
12195348bab
13c32141a2
147405dc67
15476a27b2
hex2dca74b3

768242867 has 4 divisors (see below), whose sum is σ = 877991856. Its totient is φ = 658493880.

The previous prime is 768242833. The next prime is 768242879.

768242867 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768242867 - 218 = 767980723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768242887) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54874484 + ... + 54874497.

It is an arithmetic number, because the mean of its divisors is an integer number (219497964).

Almost surely, 2768242867 is an apocalyptic number.

768242867 is a deficient number, since it is larger than the sum of its proper divisors (109748989).

768242867 is a wasteful number, since it uses less digits than its factorization.

768242867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109748988.

The product of its digits is 1806336, while the sum is 50.

The square root of 768242867 is about 27717.1944287296. The cubic root of 768242867 is about 915.8679162695.

The spelling of 768242867 in words is "seven hundred sixty-eight million, two hundred forty-two thousand, eight hundred sixty-seven".

Divisors: 1 7 109748981 768242867