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2256225 = 35267449
BaseRepresentation
bin1000100110110101100001
311020121221220
420212311201
51034144400
6120205253
725114626
oct10466541
94217856
102256225
111301154
12909829
1360cc5a
1442a34d
152e87a0
hex226d61

2256225 has 24 divisors (see below), whose sum is σ = 3794400. Its totient is φ = 1182720.

The previous prime is 2256217. The next prime is 2256227. The reversal of 2256225 is 5226522.

It is not a de Polignac number, because 2256225 - 23 = 2256217 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2256195 and 2256204.

It is not an unprimeable number, because it can be changed into a prime (2256227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4801 + ... + 5249.

It is an arithmetic number, because the mean of its divisors is an integer number (158100).

22256225 is an apocalyptic number.

2256225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256225 is a deficient number, since it is larger than the sum of its proper divisors (1538175).

2256225 is a wasteful number, since it uses less digits than its factorization.

2256225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 524 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 2256225 is about 1502.0735667736. The cubic root of 2256225 is about 131.1578037328.

The spelling of 2256225 in words is "two million, two hundred fifty-six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 67 75 201 335 449 1005 1347 1675 2245 5025 6735 11225 30083 33675 90249 150415 451245 752075 2256225