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6890046 = 231923181
BaseRepresentation
bin11010010010001000111110
3110222001100220
4122102020332
53230440141
6403402210
7112364412
oct32221076
913861326
106890046
113986659
122383366
131573167
14cb4d42
15911766
hex69223e

6890046 has 24 divisors (see below), whose sum is σ = 14548104. Its totient is φ = 2175120.

The previous prime is 6890033. The next prime is 6890047. The reversal of 6890046 is 6400986.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6889989 and 6890016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890047) 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 11 ways as a sum of consecutive naturals, for example, 576 + ... + 3756.

It is an arithmetic number, because the mean of its divisors is an integer number (606171).

Almost surely, 26890046 is an apocalyptic number.

6890046 is an abundant number, since it is smaller than the sum of its proper divisors (7658058).

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

6890046 is a wasteful number, since it uses less digits than its factorization.

6890046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6890046 is about 2624.8897119689. The cubic root of 6890046 is about 190.2862352364.

The spelling of 6890046 in words is "six million, eight hundred ninety thousand, forty-six".

Divisors: 1 2 3 6 19 38 57 114 361 722 1083 2166 3181 6362 9543 19086 60439 120878 181317 362634 1148341 2296682 3445023 6890046