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4072042 = 213198243
BaseRepresentation
bin1111100010001001101010
321122212210101
433202021222
52020301132
6223140014
746416562
oct17421152
97585711
104072042
112331427
12144460a
13ac75c0
1477dda2
155567e7
hex3e226a

4072042 has 16 divisors (see below), whose sum is σ = 6924960. Its totient is φ = 1780272.

The previous prime is 4072039. The next prime is 4072049. The reversal of 4072042 is 2402704.

4072042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 7 ways as a sum of consecutive naturals, for example, 3628 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (432810).

Almost surely, 24072042 is an apocalyptic number.

4072042 is a deficient number, since it is larger than the sum of its proper divisors (2852918).

4072042 is a wasteful number, since it uses less digits than its factorization.

4072042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4072042 is about 2017.9301276308. The cubic root of 4072042 is about 159.6874366736.

Adding to 4072042 its reverse (2402704), we get a palindrome (6474746).

The spelling of 4072042 in words is "four million, seventy-two thousand, forty-two".

Divisors: 1 2 13 19 26 38 247 494 8243 16486 107159 156617 214318 313234 2036021 4072042