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2282661 = 3428181
BaseRepresentation
bin1000101101010010100101
311021222020000
420231102211
51041021121
6120531513
725254663
oct10552245
94258200
102282661
111319aa7
12920b99
1361bcb4
14435c33
15301526
hex22d4a5

2282661 has 10 divisors (see below), whose sum is σ = 3410022. Its totient is φ = 1521720.

The previous prime is 2282653. The next prime is 2282699. The reversal of 2282661 is 1662822.

It can be written as a sum of positive squares in only one way, i.e., 2232036 + 50625 = 1494^2 + 225^2 .

It is not a de Polignac number, because 2282661 - 23 = 2282653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 22 + 216 + 87 + 216 + 65 + 66 + 1 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280661) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14010 + ... + 14171.

22282661 is an apocalyptic number.

It is an amenable number.

2282661 is a deficient number, since it is larger than the sum of its proper divisors (1127361).

2282661 is an equidigital number, since it uses as much as digits as its factorization.

2282661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28193 (or 28184 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2282661 is about 1510.8477752573. The cubic root of 2282661 is about 131.6680709850.

The spelling of 2282661 in words is "two million, two hundred eighty-two thousand, six hundred sixty-one".

Divisors: 1 3 9 27 81 28181 84543 253629 760887 2282661