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2287025 = 521331227
BaseRepresentation
bin1000101110010110110001
311022012012122
420232112301
51041141100
6121004025
725303466
oct10562661
94265178
102287025
111322304
12923615
13620c90
1443766d
15302985
hex22e5b1

2287025 has 24 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 1627200.

The previous prime is 2287013. The next prime is 2287031. The reversal of 2287025 is 5207822.

2287025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2287025 - 24 = 2287009 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2286985 and 2287003.

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 23 ways as a sum of consecutive naturals, for example, 9962 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (131936).

22287025 is an apocalyptic number.

2287025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2287025 is a deficient number, since it is larger than the sum of its proper divisors (879439).

2287025 is a wasteful number, since it uses less digits than its factorization.

2287025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2287025 is about 1512.2913079166. The cubic root of 2287025 is about 131.7519254100.

The spelling of 2287025 in words is "two million, two hundred eighty-seven thousand, twenty-five".

Divisors: 1 5 13 25 31 65 155 227 325 403 775 1135 2015 2951 5675 7037 10075 14755 35185 73775 91481 175925 457405 2287025