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4072868 = 221018217
BaseRepresentation
bin1111100010010110100100
321122220220222
433202112210
52020312433
6223143512
746422152
oct17422644
97586828
104072868
112332008
121444b98
13ac7aa7
147803d2
15556b98
hex3e25a4

4072868 has 6 divisors (see below), whose sum is σ = 7127526. Its totient is φ = 2036432.

The previous prime is 4072867. The next prime is 4072883. The reversal of 4072868 is 8682704.

4072868 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., 4032064 + 40804 = 2008^2 + 202^2 .

It is not an unprimeable number, because it can be changed into a prime (4072867) 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, 509105 + ... + 509112.

It is an arithmetic number, because the mean of its divisors is an integer number (1187921).

Almost surely, 24072868 is an apocalyptic number.

It is an amenable number.

4072868 is a deficient number, since it is larger than the sum of its proper divisors (3054658).

4072868 is a wasteful number, since it uses less digits than its factorization.

4072868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018221 (or 1018219 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4072868 is about 2018.1347824167. The cubic root of 4072868 is about 159.6982332965.

The spelling of 4072868 in words is "four million, seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1018217 2036434 4072868