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6928 = 24433
BaseRepresentation
bin1101100010000
3100111121
41230100
5210203
652024
726125
oct15420
910447
106928
115229
124014
1331cc
14274c
1520bd
hex1b10

6928 has 10 divisors (see below), whose sum is σ = 13454. Its totient is φ = 3456.

The previous prime is 6917. The next prime is 6947. The reversal of 6928 is 8296.

It can be written as a sum of positive squares in only one way, i.e., 4624 + 2304 = 68^2 + 48^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201 + ... + 232.

26928 is an apocalyptic number.

It is an amenable number.

6928 is a deficient number, since it is larger than the sum of its proper divisors (6526).

6928 is a wasteful number, since it uses less digits than its factorization.

6928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 6928 is about 83.2346081867. The cubic root of 6928 is about 19.0634994549.

Subtracting from 6928 its sum of digits (25), we obtain a triangular number (6903 = T117).

The spelling of 6928 in words is "six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 433 866 1732 3464 6928