Search a number
-
+
20895386 = 217958367
BaseRepresentation
bin100111110110…
…1011010011010
31110022121002012
41033231122122
520322123021
62023505522
7342415331
oct117553232
943277065
1020895386
1110882016
126bb82a2
134437b45
142abcd18
151c7b35b
hex13ed69a

20895386 has 8 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 10389148.

The previous prime is 20895379. The next prime is 20895403. The reversal of 20895386 is 68359802.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28826 + ... + 29541.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 220895386 is an apocalyptic number.

20895386 is a deficient number, since it is larger than the sum of its proper divisors (10623334).

20895386 is a wasteful number, since it uses less digits than its factorization.

20895386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58548.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 20895386 is about 4571.1471208002. The cubic root of 20895386 is about 275.4335244745.

The spelling of 20895386 in words is "twenty million, eight hundred ninety-five thousand, three hundred eighty-six".

Divisors: 1 2 179 358 58367 116734 10447693 20895386