Search a number
-
+
20341244 = 22711211313
BaseRepresentation
bin100110110011…
…0000111111100
31102021102221102
41031212013330
520201404434
62003552232
7334616630
oct115460774
942242842
1020341244
1110533750
12698b678
1342a2851
1429b6dc0
151bbc07e
hex13661fc

20341244 has 48 divisors (see below), whose sum is σ = 44733696. Its totient is φ = 7862400.

The previous prime is 20341213. The next prime is 20341247. The reversal of 20341244 is 44214302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64832 + ... + 65144.

It is an arithmetic number, because the mean of its divisors is an integer number (931952).

Almost surely, 220341244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20341244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22366848).

20341244 is an abundant number, since it is smaller than the sum of its proper divisors (24392452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20341244 is a wasteful number, since it uses less digits than its factorization.

20341244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20341244 is about 4510.1268274850. The cubic root of 20341244 is about 272.9768616312.

Adding to 20341244 its reverse (44214302), we get a palindrome (64555546).

The spelling of 20341244 in words is "twenty million, three hundred forty-one thousand, two hundred forty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 211 308 313 422 626 844 1252 1477 2191 2321 2954 3443 4382 4642 5908 6886 8764 9284 13772 16247 24101 32494 48202 64988 66043 96404 132086 264172 462301 726473 924602 1452946 1849204 2905892 5085311 10170622 20341244