Search a number
-
+
768228111 = 3374199139
BaseRepresentation
bin101101110010100…
…011101100001111
31222112120000212000
4231302203230033
53033131244421
6204121443343
725015555050
oct5562435417
91875500760
10768228111
11364710172
12195340553
13c320a561
1474058727
154769d226
hex2dca3b0f

768228111 has 32 divisors (see below), whose sum is σ = 1332441600. Its totient is φ = 428276160.

The previous prime is 768228103. The next prime is 768228137. The reversal of 768228111 is 111822867.

It is not a de Polignac number, because 768228111 - 23 = 768228103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768228191) 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 31 ways as a sum of consecutive naturals, for example, 41821 + ... + 57318.

It is an arithmetic number, because the mean of its divisors is an integer number (41638800).

Almost surely, 2768228111 is an apocalyptic number.

768228111 is a deficient number, since it is larger than the sum of its proper divisors (564213489).

768228111 is a wasteful number, since it uses less digits than its factorization.

768228111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99196 (or 99190 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 768228111 is about 27716.9282388940. The cubic root of 768228111 is about 915.8620523976.

The spelling of 768228111 in words is "seven hundred sixty-eight million, two hundred twenty-eight thousand, one hundred eleven".

Divisors: 1 3 7 9 21 27 41 63 123 189 287 369 861 1107 2583 7749 99139 297417 693973 892251 2081919 2676753 4064699 6245757 12194097 18737271 28452893 36582291 85358679 109746873 256076037 768228111