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276625 = 532213
BaseRepresentation
bin1000011100010010001
3112001110101
41003202101
532323000
65532401
72231326
oct1034221
9461411
10276625
11179918
12114101
1398bab
1472b4d
1556e6a
hex43891

276625 has 8 divisors (see below), whose sum is σ = 345384. Its totient is φ = 221200.

The previous prime is 276623. The next prime is 276629. The reversal of 276625 is 526672.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 271441 = 72^2 + 521^2 .

It is not a de Polignac number, because 276625 - 21 = 276623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276593 and 276602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (43173).

2276625 is an apocalyptic number.

276625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

276625 is a deficient number, since it is larger than the sum of its proper divisors (68759).

276625 is an equidigital number, since it uses as much as digits as its factorization.

276625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228 (or 2218 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 276625 is about 525.9515186783. The cubic root of 276625 is about 65.1574094235.

Subtracting 276625 from its reverse (526672), we obtain a cube (250047 = 633).

The spelling of 276625 in words is "two hundred seventy-six thousand, six hundred twenty-five".

Divisors: 1 5 25 125 2213 11065 55325 276625