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4069040 = 245192677
BaseRepresentation
bin1111100001011010110000
321122201200012
433201122300
52020202130
6223114052
746405043
oct17413260
97581605
104069040
11232a148
121442928
13ac6121
1477cc5a
15555995
hex3e16b0

4069040 has 40 divisors (see below), whose sum is σ = 9962160. Its totient is φ = 1541376.

The previous prime is 4069033. The next prime is 4069049. The reversal of 4069040 is 409604.

4069040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4068997 and 4069015.

It is not an unprimeable number, because it can be changed into a prime (4069049) 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, 182 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (249054).

Almost surely, 24069040 is an apocalyptic number.

4069040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4069040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4981080).

4069040 is an abundant number, since it is smaller than the sum of its proper divisors (5893120).

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

4069040 is a wasteful number, since it uses less digits than its factorization.

4069040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4069040 is about 2017.1861589848. The cubic root of 4069040 is about 159.6481853155.

The spelling of 4069040 in words is "four million, sixty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 2677 5354 10708 13385 21416 26770 42832 50863 53540 101726 107080 203452 214160 254315 406904 508630 813808 1017260 2034520 4069040