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2668026 = 23444671
BaseRepresentation
bin1010001011010111111010
312000112211210
422023113322
51140334101
6133103550
731451334
oct12132772
95015753
102668026
111562589
12a87bb6
1372551a
144d6454
1537a7d6
hex28b5fa

2668026 has 8 divisors (see below), whose sum is σ = 5336064. Its totient is φ = 889340.

The previous prime is 2667989. The next prime is 2668027. The reversal of 2668026 is 6208662.

It is a sphenic number, since it is the product of 3 distinct primes.

2668026 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2667984 and 2668002.

It is not an unprimeable number, because it can be changed into a prime (2668027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222330 + ... + 222341.

It is an arithmetic number, because the mean of its divisors is an integer number (667008).

22668026 is an apocalyptic number.

2668026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2668026 is a wasteful number, since it uses less digits than its factorization.

2668026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444676.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2668026 is about 1633.4093179604. The cubic root of 2668026 is about 138.6958135949.

The spelling of 2668026 in words is "two million, six hundred sixty-eight thousand, twenty-six".

Divisors: 1 2 3 6 444671 889342 1334013 2668026