Search a number
-
+
6863928 = 233285997
BaseRepresentation
bin11010001011110000111000
3110220201112120
4122023300320
53224121203
6403041240
7112225311
oct32136070
913821476
106863928
113968a75
122370220
1315642c6
14ca9608
15908b53
hex68bc38

6863928 has 16 divisors (see below), whose sum is σ = 17159880. Its totient is φ = 2287968.

The previous prime is 6863897. The next prime is 6863939. The reversal of 6863928 is 8293686.

It is a super-2 number, since 2×68639282 = 94227015178368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6863928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142975 + ... + 143022.

Almost surely, 26863928 is an apocalyptic number.

It is an amenable number.

6863928 is an abundant number, since it is smaller than the sum of its proper divisors (10295952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6863928 is a wasteful number, since it uses less digits than its factorization.

6863928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286006 (or 286002 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 6863928 is about 2619.9099221156. The cubic root of 6863928 is about 190.0454923385.

The spelling of 6863928 in words is "six million, eight hundred sixty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 285997 571994 857991 1143988 1715982 2287976 3431964 6863928