Search a number
-
+
20441200 = 2452133931
BaseRepresentation
bin100110111111…
…0100001110000
31102110112001111
41031332201300
520213104300
62010043104
7335514223
oct115764160
942415044
1020441200
11105a185a
126a19494
1343091b0
142a015ba
151bdb9ba
hex137e870

20441200 has 60 divisors (see below), whose sum is σ = 52901128. Its totient is φ = 7545600.

The previous prime is 20441177. The next prime is 20441203. The reversal of 20441200 is 214402.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3235 + ... + 7165.

Almost surely, 220441200 is an apocalyptic number.

20441200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20441200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26450564).

20441200 is an abundant number, since it is smaller than the sum of its proper divisors (32459928).

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

20441200 is a wasteful number, since it uses less digits than its factorization.

20441200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20441200 is about 4521.1945324217. The cubic root of 20441200 is about 273.4232634220.

Adding to 20441200 its reverse (214402), we get a palindrome (20655602).

The spelling of 20441200 in words is "twenty million, four hundred forty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 3931 5200 7862 15724 19655 31448 39310 51103 62896 78620 98275 102206 157240 196550 204412 255515 314480 393100 408824 511030 786200 817648 1022060 1277575 1572400 2044120 2555150 4088240 5110300 10220600 20441200