Search a number
-
+
2197883 = 18112143
BaseRepresentation
bin1000011000100101111011
311010122221002
420120211323
51030313013
6115035215
724452552
oct10304573
94118832
102197883
111271336
1289bb0b
135bc52c
14412d99
152d6358
hex21897b

2197883 has 4 divisors (see below), whose sum is σ = 2210208. Its totient is φ = 2185560.

The previous prime is 2197873. The next prime is 2197907. The reversal of 2197883 is 3887912.

2197883 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2197883 - 220 = 1149307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197873) 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, 5891 + ... + 6252.

It is an arithmetic number, because the mean of its divisors is an integer number (552552).

22197883 is an apocalyptic number.

2197883 is a deficient number, since it is larger than the sum of its proper divisors (12325).

2197883 is a wasteful number, since it uses less digits than its factorization.

2197883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324.

The product of its digits is 24192, while the sum is 38.

The square root of 2197883 is about 1482.5258851029. The cubic root of 2197883 is about 130.0174138408.

The spelling of 2197883 in words is "two million, one hundred ninety-seven thousand, eight hundred eighty-three".

Divisors: 1 181 12143 2197883