Search a number
-
+
2666043 = 3243832
BaseRepresentation
bin1010001010111000111011
312000110010100
422022320323
51140303133
6133050443
731442502
oct12127073
95013110
102666043
111561046
12a86a23
13724653
144d5839
15379e13
hex28ae3b

2666043 has 18 divisors (see below), whose sum is σ = 3988556. Its totient is φ = 1715112.

The previous prime is 2666039. The next prime is 2666051. The reversal of 2666043 is 3406662.

It is not a de Polignac number, because 2666043 - 22 = 2666039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2665998 and 2666016.

It is not an unprimeable number, because it can be changed into a prime (2666743) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32080 + ... + 32162.

22666043 is an apocalyptic number.

2666043 is a deficient number, since it is larger than the sum of its proper divisors (1322513).

2666043 is an equidigital number, since it uses as much as digits as its factorization.

2666043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2666043 is about 1632.8021925512. The cubic root of 2666043 is about 138.6614433694.

The spelling of 2666043 in words is "two million, six hundred sixty-six thousand, forty-three".

Divisors: 1 3 9 43 83 129 249 387 747 3569 6889 10707 20667 32121 62001 296227 888681 2666043