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2282642 = 21141321
BaseRepresentation
bin1000101101010010010010
311021222012022
420231102102
51041021032
6120531442
725254635
oct10552222
94258168
102282642
111319a8a
12920b82
1361bc9b
14435c1c
15301512
hex22d492

2282642 has 4 divisors (see below), whose sum is σ = 3423966. Its totient is φ = 1141320.

The previous prime is 2282627. The next prime is 2282647. The reversal of 2282642 is 2462822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2462822 = 21231411.

It can be written as a sum of positive squares in only one way, i.e., 2105401 + 177241 = 1451^2 + 421^2 .

It is not an unprimeable number, because it can be changed into a prime (2282647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570659 + ... + 570662.

22282642 is an apocalyptic number.

2282642 is a deficient number, since it is larger than the sum of its proper divisors (1141324).

2282642 is a wasteful number, since it uses less digits than its factorization.

2282642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141323.

The product of its digits is 3072, while the sum is 26.

The square root of 2282642 is about 1510.8414873838. The cubic root of 2282642 is about 131.6677056657.

The spelling of 2282642 in words is "two million, two hundred eighty-two thousand, six hundred forty-two".

Divisors: 1 2 1141321 2282642