Search a number
-
+
20616341 = 711392089
BaseRepresentation
bin100111010100…
…1010010010101
31102210102022012
41032221102111
520234210331
62013514005
7340143644
oct116512225
942712265
1020616341
11107013a9
126aa2905
13436ab25
142a4935b
151c2382b
hex13a9495

20616341 has 8 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 20170080.

The previous prime is 20616331. The next prime is 20616373. The reversal of 20616341 is 14361602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20616341 - 222 = 16422037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20616301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8825 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 220616341 is an apocalyptic number.

It is an amenable number.

20616341 is a deficient number, since it is larger than the sum of its proper divisors (450859).

20616341 is a wasteful number, since it uses less digits than its factorization.

20616341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20616341 is about 4540.5221065424. The cubic root of 20616341 is about 274.2019441163.

Adding to 20616341 its reverse (14361602), we get a palindrome (34977943).

The spelling of 20616341 in words is "twenty million, six hundred sixteen thousand, three hundred forty-one".

Divisors: 1 71 139 2089 9869 148319 290371 20616341