Search a number
-
+
2199838 = 210910091
BaseRepresentation
bin1000011001000100011110
311010202121111
420121010132
51030343323
6115052234
724461344
oct10310436
94122544
102199838
111272853
128a107a
135c03a4
14413994
152d6c0d
hex21911e

2199838 has 8 divisors (see below), whose sum is σ = 3330360. Its totient is φ = 1089720.

The previous prime is 2199833. The next prime is 2199859. The reversal of 2199838 is 8389912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2199838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199833) 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, 4828 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (416295).

22199838 is an apocalyptic number.

2199838 is a deficient number, since it is larger than the sum of its proper divisors (1130522).

2199838 is a wasteful number, since it uses less digits than its factorization.

2199838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202.

The product of its digits is 31104, while the sum is 40.

The square root of 2199838 is about 1483.1850862249. The cubic root of 2199838 is about 130.0559522460.

The spelling of 2199838 in words is "two million, one hundred ninety-nine thousand, eight hundred thirty-eight".

Divisors: 1 2 109 218 10091 20182 1099919 2199838