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2404112420 = 225120205621
BaseRepresentation
bin1000111101001011…
…1101100000100100
320012112202120020202
42033102331200210
514410423044140
61034320250032
7113401422053
oct21722754044
96175676222
102404112420
111024071276
12571170918
132c40c8738
1418b41039a
15e10d9915
hex8f4bd824

2404112420 has 12 divisors (see below), whose sum is σ = 5048636124. Its totient is φ = 961644960.

The previous prime is 2404112401. The next prime is 2404112423. The reversal of 2404112420 is 242114042.

It can be written as a sum of positive squares in 2 ways, for example, as 330585124 + 2073527296 = 18182^2 + 45536^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 120205621 = 2404112420 / (2 + 4 + 0 + 4 + 1 + 1 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2404112392 and 2404112401.

It is not an unprimeable number, because it can be changed into a prime (2404112423) 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, 60102791 + ... + 60102830.

It is an arithmetic number, because the mean of its divisors is an integer number (420719677).

Almost surely, 22404112420 is an apocalyptic number.

2404112420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2404112420 is an abundant number, since it is smaller than the sum of its proper divisors (2644523704).

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

2404112420 is a wasteful number, since it uses less digits than its factorization.

2404112420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120205630 (or 120205628 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2404112420 is about 49031.7491019849. The cubic root of 2404112420 is about 1339.6301830878.

Adding to 2404112420 its reverse (242114042), we get a palindrome (2646226462).

The spelling of 2404112420 in words is "two billion, four hundred four million, one hundred twelve thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 120205621 240411242 480822484 601028105 1202056210 2404112420