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276025 = 5261181
BaseRepresentation
bin1000011011000111001
3112000122011
41003120321
532313100
65525521
72226511
oct1033071
9460564
10276025
11179422
121138a1
1398839
1472841
1556bba
hex43639

276025 has 12 divisors (see below), whose sum is σ = 349804. Its totient is φ = 216000.

The previous prime is 276019. The next prime is 276037. The reversal of 276025 is 520672.

Adding to 276025 its reverse (520672), we get a palindrome (796697).

276025 = 3712 + 3722.

It can be written as a sum of positive squares in 6 ways, for example, as 137641 + 138384 = 371^2 + 372^2 .

It is not a de Polignac number, because 276025 - 27 = 275897 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275987 and 276005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435 + ... + 1615.

2276025 is an apocalyptic number.

276025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

276025 is the 372-nd centered square number.

It is an amenable number.

276025 is a deficient number, since it is larger than the sum of its proper divisors (73779).

276025 is a wasteful number, since it uses less digits than its factorization.

276025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 276025 is about 525.3808142671. The cubic root of 276025 is about 65.1102664862.

The spelling of 276025 in words is "two hundred seventy-six thousand, twenty-five".

Divisors: 1 5 25 61 181 305 905 1525 4525 11041 55205 276025