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2440007225 = 52392924841
BaseRepresentation
bin1001000101101111…
…1000111000111001
320022001022012122222
42101123320320321
514444120212400
61042041453425
7114315501455
oct22133707071
96261265588
102440007225
1110423585a7
125811a1275
132cb685876
141920b5665
15e432a185
hex916f8e39

2440007225 has 12 divisors (see below), whose sum is σ = 3026500860. Its totient is φ = 1951430400.

The previous prime is 2440007221. The next prime is 2440007287. The reversal of 2440007225 is 5227000442.

It can be written as a sum of positive squares in 6 ways, for example, as 786690304 + 1653316921 = 28048^2 + 40661^2 .

It is not a de Polignac number, because 2440007225 - 22 = 2440007221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2440007194 and 2440007203.

It is not an unprimeable number, because it can be changed into a prime (2440007221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85805 + ... + 110645.

It is an arithmetic number, because the mean of its divisors is an integer number (252208405).

Almost surely, 22440007225 is an apocalyptic number.

2440007225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2440007225 is a deficient number, since it is larger than the sum of its proper divisors (586493635).

2440007225 is a wasteful number, since it uses less digits than its factorization.

2440007225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780 (or 28775 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2440007225 is about 49396.4292737846. The cubic root of 2440007225 is about 1346.2644282429.

Adding to 2440007225 its reverse (5227000442), we get a palindrome (7667007667).

The spelling of 2440007225 in words is "two billion, four hundred forty million, seven thousand, two hundred twenty-five".

Divisors: 1 5 25 3929 19645 24841 98225 124205 621025 97600289 488001445 2440007225