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2281066 = 21140533
BaseRepresentation
bin1000101100111001101010
311021220000221
420230321222
51040443231
6120520254
725250224
oct10547152
94256027
102281066
111318887
1292008a
1361b358
14435414
15300d11
hex22ce6a

2281066 has 4 divisors (see below), whose sum is σ = 3421602. Its totient is φ = 1140532.

The previous prime is 2281061. The next prime is 2281079. The reversal of 2281066 is 6601822.

2281066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 221841 = 1435^2 + 471^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2281066.

It is not an unprimeable number, because it can be changed into a prime (2281061) by changing a digit.

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 as a sum of consecutive naturals, namely, 570265 + ... + 570268.

22281066 is an apocalyptic number.

2281066 is a deficient number, since it is larger than the sum of its proper divisors (1140536).

2281066 is a wasteful number, since it uses less digits than its factorization.

2281066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140535.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2281066 is about 1510.3198336776. The cubic root of 2281066 is about 131.6373963314.

Adding to 2281066 its reverse (6601822), we get a palindrome (8882888).

The spelling of 2281066 in words is "two million, two hundred eighty-one thousand, sixty-six".

Divisors: 1 2 1140533 2281066