Search a number
-
+
20034944 = 27193811
BaseRepresentation
bin100110001101…
…1010110000000
31101200212202222
41030123112000
520112104234
61553230212
7332202626
oct114332600
941625688
1020034944
1110344606
126862368
1341c62c7
142937516
151b5b42e
hex131b580

20034944 has 32 divisors (see below), whose sum is σ = 40169640. Its totient is φ = 9953280.

The previous prime is 20034941. The next prime is 20034977. The reversal of 20034944 is 44943002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20034941) 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, 24299 + ... + 25109.

Almost surely, 220034944 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 20034944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20084820).

20034944 is an abundant number, since it is smaller than the sum of its proper divisors (20134696).

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

20034944 is an equidigital number, since it uses as much as digits as its factorization.

20034944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20034944 is about 4476.0411079435. The cubic root of 20034944 is about 271.5997573605.

Adding to 20034944 its reverse (44943002), we get a palindrome (64977946).

The spelling of 20034944 in words is "twenty million, thirty-four thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 64 128 193 386 772 811 1544 1622 3088 3244 6176 6488 12352 12976 24704 25952 51904 103808 156523 313046 626092 1252184 2504368 5008736 10017472 20034944