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3800080 = 24547501
BaseRepresentation
bin1110011111110000010000
321011001201201
432133300100
51433100310
6213240544
744204644
oct16376020
97131651
103800080
112166069
121333154
13a3088b
1470cc24
15500e3a
hex39fc10

3800080 has 20 divisors (see below), whose sum is σ = 8835372. Its totient is φ = 1520000.

The previous prime is 3800063. The next prime is 3800081. The reversal of 3800080 is 800083.

3800080 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 2 ways, for example, as 1806336 + 1993744 = 1344^2 + 1412^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (3800081) 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 3 ways as a sum of consecutive naturals, for example, 23671 + ... + 23830.

Almost surely, 23800080 is an apocalyptic number.

It is an amenable number.

3800080 is an abundant number, since it is smaller than the sum of its proper divisors (5035292).

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

3800080 is a wasteful number, since it uses less digits than its factorization.

3800080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47514 (or 47508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 3800080 is about 1949.3793884208. The cubic root of 3800080 is about 156.0501701443.

The spelling of 3800080 in words is "three million, eight hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 47501 95002 190004 237505 380008 475010 760016 950020 1900040 3800080