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4065768 = 233372689
BaseRepresentation
bin1111100000100111101000
321122120012000
433200213220
52020101033
6223051000
746362360
oct17404750
97576160
104065768
112327743
121440a60
13ac47a5
1477b9a0
15554a13
hex3e09e8

4065768 has 64 divisors (see below), whose sum is σ = 12912000. Its totient is φ = 1161216.

The previous prime is 4065767. The next prime is 4065773. The reversal of 4065768 is 8675604.

It is a happy number.

4065768 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065767) 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 15 ways as a sum of consecutive naturals, for example, 168 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (201750).

Almost surely, 24065768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4065768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6456000).

4065768 is an abundant number, since it is smaller than the sum of its proper divisors (8846232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4065768 is a wasteful number, since it uses less digits than its factorization.

4065768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2701 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4065768 is about 2016.3749651293. The cubic root of 4065768 is about 159.6053816943.

The spelling of 4065768 in words is "four million, sixty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 84 108 126 168 189 216 252 378 504 756 1512 2689 5378 8067 10756 16134 18823 21512 24201 32268 37646 48402 56469 64536 72603 75292 96804 112938 145206 150584 169407 193608 225876 290412 338814 451752 508221 580824 677628 1016442 1355256 2032884 4065768