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2686288 = 241115263
BaseRepresentation
bin1010001111110101010000
312001110220011
422033311100
51141430123
6133324304
731555513
oct12176520
95043804
102686288
111575280
12a96694
13730927
144dcd7a
15380e0d
hex28fd50

2686288 has 20 divisors (see below), whose sum is σ = 5678208. Its totient is φ = 1220960.

The previous prime is 2686283. The next prime is 2686291. The reversal of 2686288 is 8826862.

2686288 is nontrivially palindromic in base 7.

2686288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×26862882 = 14432286437888, which contains 22 as substring.

It is a d-powerful number, because it can be written as 214 + 64 + 83 + 66 + 221 + 86 + 86 .

It is a self number, because there is not a number n which added to its sum of digits gives 2686288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686283) 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 3 ways as a sum of consecutive naturals, for example, 7456 + ... + 7807.

22686288 is an apocalyptic number.

It is an amenable number.

2686288 is an abundant number, since it is smaller than the sum of its proper divisors (2991920).

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

2686288 is a wasteful number, since it uses less digits than its factorization.

2686288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282 (or 15276 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 2686288 is about 1638.9899328550. The cubic root of 2686288 is about 139.0115408874.

It can be divided in two parts, 268 and 6288, that added together give a palindrome (6556).

The spelling of 2686288 in words is "two million, six hundred eighty-six thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 15263 30526 61052 122104 167893 244208 335786 671572 1343144 2686288