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4072041 = 323731213
BaseRepresentation
bin1111100010001001101001
321122212210100
433202021221
52020301131
6223140013
746416561
oct17421151
97585710
104072041
112331426
121444609
13ac75bc
1477dda1
155567e6
hex3e2269

4072041 has 12 divisors (see below), whose sum is σ = 5902468. Its totient is φ = 2705184.

The previous prime is 4072039. The next prime is 4072049. The reversal of 4072041 is 1402704.

It is a happy number.

4072041 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 2 ways, for example, as 992016 + 3080025 = 996^2 + 1755^2 .

It is not a de Polignac number, because 4072041 - 21 = 4072039 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4072049) 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 11 ways as a sum of consecutive naturals, for example, 2751 + ... + 3963.

Almost surely, 24072041 is an apocalyptic number.

It is an amenable number.

4072041 is a deficient number, since it is larger than the sum of its proper divisors (1830427).

4072041 is a wasteful number, since it uses less digits than its factorization.

4072041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4072041 is about 2017.9298798521. The cubic root of 4072041 is about 159.6874236018.

Adding to 4072041 its reverse (1402704), we get a palindrome (5474745).

The spelling of 4072041 in words is "four million, seventy-two thousand, forty-one".

Divisors: 1 3 9 373 1119 1213 3357 3639 10917 452449 1357347 4072041