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404131300 = 225210140013
BaseRepresentation
bin11000000101101…
…000110111100100
31001011102222220221
4120011220313210
51311424200200
6104033534124
713005026236
oct3005506744
91034388827
10404131300
11198137911
12b3414344
1365959b61
143b95c256
152572c91a
hex18168de4

404131300 has 36 divisors (see below), whose sum is σ = 885669876. Its totient is φ = 160048000.

The previous prime is 404131267. The next prime is 404131309. The reversal of 404131300 is 3131404.

It can be written as a sum of positive squares in 6 ways, for example, as 5410276 + 398721024 = 2326^2 + 19968^2 .

It is not an unprimeable number, because it can be changed into a prime (404131309) 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, 9907 + ... + 30106.

It is an arithmetic number, because the mean of its divisors is an integer number (24601941).

Almost surely, 2404131300 is an apocalyptic number.

It is an amenable number.

404131300 is an abundant number, since it is smaller than the sum of its proper divisors (481538576).

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

404131300 is a wasteful number, since it uses less digits than its factorization.

404131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40128 (or 40121 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 404131300 is about 20103.0171864822. The cubic root of 404131300 is about 739.3342563664.

Adding to 404131300 its reverse (3131404), we get a palindrome (407262704).

The spelling of 404131300 in words is "four hundred four million, one hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 101 202 404 505 1010 2020 2525 5050 10100 40013 80026 160052 200065 400130 800260 1000325 2000650 4001300 4041313 8082626 16165252 20206565 40413130 80826260 101032825 202065650 404131300