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2889625 = 5323117
BaseRepresentation
bin1011000001011110011001
312102210211011
423001132121
51214432000
6141533521
733363364
oct13013631
95383734
102889625
1116a4022
12b742a1
137a234b
145530db
153c12ba
hex2c1799

2889625 has 8 divisors (see below), whose sum is σ = 3606408. Its totient is φ = 2311600.

The previous prime is 2889617. The next prime is 2889637. The reversal of 2889625 is 5269882.

2889625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 1990921 = 948^2 + 1411^2 .

It is not a de Polignac number, because 2889625 - 23 = 2889617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11434 + ... + 11683.

It is an arithmetic number, because the mean of its divisors is an integer number (450801).

22889625 is an apocalyptic number.

2889625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2889625 is a deficient number, since it is larger than the sum of its proper divisors (716783).

2889625 is an equidigital number, since it uses as much as digits as its factorization.

2889625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132 (or 23122 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 2889625 is about 1699.8897023042. The cubic root of 2889625 is about 142.4340517659.

The spelling of 2889625 in words is "two million, eight hundred eighty-nine thousand, six hundred twenty-five".

Divisors: 1 5 25 125 23117 115585 577925 2889625