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3920168 = 23770003
BaseRepresentation
bin1110111101000100101000
321101011110102
432331010220
52000421133
6220004532
745215030
oct16750450
97334412
103920168
11223830a
121390748
13a73435
147408c0
155267e8
hex3bd128

3920168 has 16 divisors (see below), whose sum is σ = 8400480. Its totient is φ = 1680048.

The previous prime is 3920153. The next prime is 3920177. The reversal of 3920168 is 8610293.

3920168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3920168.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34946 + ... + 35057.

It is an arithmetic number, because the mean of its divisors is an integer number (525030).

Almost surely, 23920168 is an apocalyptic number.

It is an amenable number.

3920168 is an abundant number, since it is smaller than the sum of its proper divisors (4480312).

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

3920168 is a wasteful number, since it uses less digits than its factorization.

3920168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70016 (or 70012 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3920168 is about 1979.9414132746. The cubic root of 3920168 is about 157.6769557257.

The spelling of 3920168 in words is "three million, nine hundred twenty thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 70003 140006 280012 490021 560024 980042 1960084 3920168