Search a number
-
+
3800863 = 11345533
BaseRepresentation
bin1110011111111100011111
321011002210201
432133330133
51433111423
6213244331
744210143
oct16377437
97132721
103800863
112166710
1213336a7
13a31041
1470d223
155012ad
hex39ff1f

3800863 has 4 divisors (see below), whose sum is σ = 4146408. Its totient is φ = 3455320.

The previous prime is 3800861. The next prime is 3800887. The reversal of 3800863 is 3680083.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3800863 - 21 = 3800861 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3800861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172756 + ... + 172777.

It is an arithmetic number, because the mean of its divisors is an integer number (1036602).

Almost surely, 23800863 is an apocalyptic number.

3800863 is a deficient number, since it is larger than the sum of its proper divisors (345545).

3800863 is a wasteful number, since it uses less digits than its factorization.

3800863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345544.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3800863 is about 1949.5802112250. The cubic root of 3800863 is about 156.0608873654.

The spelling of 3800863 in words is "three million, eight hundred thousand, eight hundred sixty-three".

Divisors: 1 11 345533 3800863