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2684269 = 72291889
BaseRepresentation
bin1010001111010101101101
312001101010101
422033111231
51141344034
6133311101
731546600
oct12172555
95041111
102684269
111573805
12a95491
1372ca33
144dc337
15380514
hex28f56d

2684269 has 12 divisors (see below), whose sum is σ = 3231900. Its totient is φ = 2220288.

The previous prime is 2684257. The next prime is 2684273. The reversal of 2684269 is 9624862.

It can be written as a sum of positive squares in 2 ways, for example, as 1350244 + 1334025 = 1162^2 + 1155^2 .

It is not a de Polignac number, because 2684269 - 25 = 2684237 is a prime.

It is a super-2 number, since 2×26842692 = 14410600128722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684219) 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 11 ways as a sum of consecutive naturals, for example, 477 + ... + 2365.

It is an arithmetic number, because the mean of its divisors is an integer number (269325).

22684269 is an apocalyptic number.

2684269 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2684269 is a deficient number, since it is larger than the sum of its proper divisors (547631).

2684269 is a wasteful number, since it uses less digits than its factorization.

2684269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1925 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2684269 is about 1638.3738889521. The cubic root of 2684269 is about 138.9767053764.

The spelling of 2684269 in words is "two million, six hundred eighty-four thousand, two hundred sixty-nine".

Divisors: 1 7 29 49 203 1421 1889 13223 54781 92561 383467 2684269