Search a number
-
+
220404041 = 11213612297
BaseRepresentation
bin11010010001100…
…01100101001001
3120100201200111122
431020301211021
5422410412131
633512005025
75314255244
oct1510614511
9510650448
10220404041
11103459900
1261990775
133687c5c0
14213b425b
1514539d7b
hexd231949

220404041 has 24 divisors (see below), whose sum is σ = 265290312. Its totient is φ = 181843200.

The previous prime is 220404013. The next prime is 220404053. The reversal of 220404041 is 140404022.

It can be written as a sum of positive squares in 4 ways, for example, as 3136441 + 217267600 = 1771^2 + 14740^2 .

It is not a de Polignac number, because 220404041 - 26 = 220403977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220404011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94805 + ... + 97101.

It is an arithmetic number, because the mean of its divisors is an integer number (11053763).

Almost surely, 2220404041 is an apocalyptic number.

It is an amenable number.

220404041 is a deficient number, since it is larger than the sum of its proper divisors (44886271).

220404041 is a wasteful number, since it uses less digits than its factorization.

220404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2382 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220404041 is about 14846.0109457052. The cubic root of 220404041 is about 604.0504111617.

Adding to 220404041 its reverse (140404022), we get a palindrome (360808063).

The spelling of 220404041 in words is "two hundred twenty million, four hundred four thousand, forty-one".

Divisors: 1 11 13 61 121 143 671 793 1573 2297 7381 8723 25267 29861 95953 140117 277937 328471 1541287 1821521 3613181 16954157 20036731 220404041