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3868288 = 2747643
BaseRepresentation
bin1110110000011010000000
321021112021221
432300122000
51442241123
6214524424
744610544
oct16603200
97245257
103868288
112202336
121366714
13a55938
14729a24
1551625d
hex3b0680

3868288 has 32 divisors (see below), whose sum is σ = 7882560. Its totient is φ = 1890048.

The previous prime is 3868283. The next prime is 3868297. The reversal of 3868288 is 8828683.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5695 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (246330).

Almost surely, 23868288 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 3868288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3941280).

3868288 is an abundant number, since it is smaller than the sum of its proper divisors (4014272).

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

3868288 is an equidigital number, since it uses as much as digits as its factorization.

3868288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704 (or 692 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 3868288 is about 1966.7963799031. The cubic root of 3868288 is about 156.9782922642.

The spelling of 3868288 in words is "three million, eight hundred sixty-eight thousand, two hundred eighty-eight".

Divisors: 1 2 4 8 16 32 47 64 94 128 188 376 643 752 1286 1504 2572 3008 5144 6016 10288 20576 30221 41152 60442 82304 120884 241768 483536 967072 1934144 3868288