Search a number
-
+
4040042 = 223711237
BaseRepresentation
bin1111011010010101101010
321121020220012
433122111222
52013240132
6222331522
746224356
oct17322552
97536805
104040042
11230a386
121429ba2
13ab5b76
14772466
1554c0b2
hex3da56a

4040042 has 16 divisors (see below), whose sum is σ = 6417792. Its totient is φ = 1903440.

The previous prime is 4040041. The next prime is 4040053. The reversal of 4040042 is 2400404.

It is a junction number, because it is equal to n+sod(n) for n = 4039999 and 4040026.

It is not an unprimeable number, because it can be changed into a prime (4040041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (401112).

Almost surely, 24040042 is an apocalyptic number.

4040042 is a deficient number, since it is larger than the sum of its proper divisors (2377750).

4040042 is a wasteful number, since it uses less digits than its factorization.

4040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4040042 is about 2009.9855720875. The cubic root of 4040042 is about 159.2680367509.

Adding to 4040042 its reverse (2400404), we get a palindrome (6440446).

The spelling of 4040042 in words is "four million, forty thousand, forty-two", and thus it is an eban number.

Divisors: 1 2 23 46 71 142 1237 1633 2474 3266 28451 56902 87827 175654 2020021 4040042