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6890068 = 221799623
BaseRepresentation
bin11010010010001001010100
3110222001101201
4122102021110
53230440233
6403402244
7112364443
oct32221124
913861351
106890068
113986679
122383384
131573183
14cb4d5a
1591177d
hex692254

6890068 has 12 divisors (see below), whose sum is σ = 12126240. Its totient is φ = 3425432.

The previous prime is 6890063. The next prime is 6890077. The reversal of 6890068 is 8600986.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4096 + ... + 5527.

It is an arithmetic number, because the mean of its divisors is an integer number (1010520).

Almost surely, 26890068 is an apocalyptic number.

It is an amenable number.

6890068 is a deficient number, since it is larger than the sum of its proper divisors (5236172).

6890068 is a wasteful number, since it uses less digits than its factorization.

6890068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806 (or 9804 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 6890068 is about 2624.8939026178. The cubic root of 6890068 is about 190.2864377649.

The spelling of 6890068 in words is "six million, eight hundred ninety thousand, sixty-eight".

Divisors: 1 2 4 179 358 716 9623 19246 38492 1722517 3445034 6890068