Search a number
-
+
2643069 = 3111361101
BaseRepresentation
bin1010000101010001111101
311222021121110
422011101331
51134034234
6132352233
731315512
oct12052175
94867543
102643069
111545860
12a75679
13717060
144cb309
153731e9
hex28547d

2643069 has 32 divisors (see below), whose sum is σ = 4249728. Its totient is φ = 1440000.

The previous prime is 2643061. The next prime is 2643073. The reversal of 2643069 is 9603462.

2643069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2643069 - 23 = 2643061 is a prime.

It is a super-2 number, since 2×26430692 = 13971627477522, which contains 22 as substring.

It is a Curzon number.

2643069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643061) 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 31 ways as a sum of consecutive naturals, for example, 26119 + ... + 26219.

It is an arithmetic number, because the mean of its divisors is an integer number (132804).

22643069 is an apocalyptic number.

It is an amenable number.

2643069 is a deficient number, since it is larger than the sum of its proper divisors (1606659).

2643069 is a wasteful number, since it uses less digits than its factorization.

2643069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2643069 is about 1625.7518260792. The cubic root of 2643069 is about 138.2619996408.

It can be divided in two parts, 264 and 3069, that added together give a palindrome (3333).

The spelling of 2643069 in words is "two million, six hundred forty-three thousand, sixty-nine".

Divisors: 1 3 11 13 33 39 61 101 143 183 303 429 671 793 1111 1313 2013 2379 3333 3939 6161 8723 14443 18483 26169 43329 67771 80093 203313 240279 881023 2643069