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6682690 = 25795467
BaseRepresentation
bin11001011111100001000010
3110120111221001
4121133201002
53202321230
6355122214
7110542030
oct31374102
913514831
106682690
113854893
1222a336a
1314cc971
14c5d550
158c00ca
hex65f842

6682690 has 16 divisors (see below), whose sum is σ = 13747392. Its totient is φ = 2291184.

The previous prime is 6682609. The next prime is 6682693. The reversal of 6682690 is 962866.

It is a super-2 number, since 2×66826902 = 89316691272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6682693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47664 + ... + 47803.

It is an arithmetic number, because the mean of its divisors is an integer number (859212).

Almost surely, 26682690 is an apocalyptic number.

6682690 is an abundant number, since it is smaller than the sum of its proper divisors (7064702).

6682690 is a wasteful number, since it uses less digits than its factorization.

6682690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95481.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6682690 is about 2585.0899404083. The cubic root of 6682690 is about 188.3578704728.

It can be divided in two parts, 6 and 682690, that added together give a triangular number (682696 = T1168).

The spelling of 6682690 in words is "six million, six hundred eighty-two thousand, six hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 95467 190934 477335 668269 954670 1336538 3341345 6682690