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4102281 = 32455809
BaseRepresentation
bin1111101001100010001001
321201102021100
433221202021
52022233111
6223532013
746604001
oct17514211
97642240
104102281
112352117
12145a009
13b082b1
1478b001
15560756
hex3e9889

4102281 has 6 divisors (see below), whose sum is σ = 5925530. Its totient is φ = 2734848.

The previous prime is 4102249. The next prime is 4102283. The reversal of 4102281 is 1822014.

4102281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 38025 = 2016^2 + 195^2 .

It is not a de Polignac number, because 4102281 - 25 = 4102249 is a prime.

It is a super-2 number, since 2×41022812 = 33657418805922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4102283) 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 in 5 ways as a sum of consecutive naturals, for example, 227896 + ... + 227913.

Almost surely, 24102281 is an apocalyptic number.

It is an amenable number.

4102281 is a deficient number, since it is larger than the sum of its proper divisors (1823249).

4102281 is a wasteful number, since it uses less digits than its factorization.

4102281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455815 (or 455812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 4102281 is about 2025.4088476157. The cubic root of 4102281 is about 160.0817420860.

Adding to 4102281 its reverse (1822014), we get a palindrome (5924295).

The spelling of 4102281 in words is "four million, one hundred two thousand, two hundred eighty-one".

Divisors: 1 3 9 455809 1367427 4102281