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2684125 = 53109197
BaseRepresentation
bin1010001111010011011101
312001100221001
422033103131
51141343000
6133310301
731546303
oct12172335
95040831
102684125
111573694
12a95391
1372c952
144dc273
1538046a
hex28f4dd

2684125 has 16 divisors (see below), whose sum is σ = 3397680. Its totient is φ = 2116800.

The previous prime is 2684093. The next prime is 2684141. The reversal of 2684125 is 5214862.

It can be written as a sum of positive squares in 8 ways, for example, as 88804 + 2595321 = 298^2 + 1611^2 .

It is not a de Polignac number, because 2684125 - 25 = 2684093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2684093 and 2684102.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13527 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (212355).

22684125 is an apocalyptic number.

2684125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2684125 is a deficient number, since it is larger than the sum of its proper divisors (713555).

2684125 is a wasteful number, since it uses less digits than its factorization.

2684125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 311 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2684125 is about 1638.3299423498. The cubic root of 2684125 is about 138.9742201556.

Adding to 2684125 its reverse (5214862), we get a palindrome (7898987).

It can be divided in two parts, 2684 and 125, that added together give a square (2809 = 532).

The spelling of 2684125 in words is "two million, six hundred eighty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 109 125 197 545 985 2725 4925 13625 21473 24625 107365 536825 2684125