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2668133 = 131712073
BaseRepresentation
bin1010001011011001100101
312000112222202
422023121211
51140340013
6133104245
731451546
oct12133145
95015882
102668133
111562676
12a88085
137255a0
144d64cd
1537a858
hex28b665

2668133 has 8 divisors (see below), whose sum is σ = 3042648. Its totient is φ = 2317824.

The previous prime is 2668129. The next prime is 2668163. The reversal of 2668133 is 3318662.

2668133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 2666689 = 38^2 + 1633^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2668133 - 22 = 2668129 is a prime.

It is a d-powerful number, because it can be written as 219 + 6 + 66 + 87 + 1 + 3 + 33 .

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2668096 and 2668105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668103) 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, 5816 + ... + 6257.

It is an arithmetic number, because the mean of its divisors is an integer number (380331).

22668133 is an apocalyptic number.

It is an amenable number.

2668133 is a deficient number, since it is larger than the sum of its proper divisors (374515).

2668133 is a wasteful number, since it uses less digits than its factorization.

2668133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103.

The product of its digits is 5184, while the sum is 29.

The square root of 2668133 is about 1633.4420712104. The cubic root of 2668133 is about 138.6976676815.

The spelling of 2668133 in words is "two million, six hundred sixty-eight thousand, one hundred thirty-three".

Divisors: 1 13 17 221 12073 156949 205241 2668133