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2400420244 = 225311322737
BaseRepresentation
bin1000111100010011…
…1000000110010100
320012021210222112111
42033010320012110
514404001421434
61034105200404
7113325143515
oct21704700624
96167728474
102400420244
111021a7a292
1256ba90104
132c3405011
1418ab2ca0c
15e0b0a964
hex8f138194

2400420244 has 12 divisors (see below), whose sum is σ = 4279994964. Its totient is φ = 1177564544.

The previous prime is 2400420221. The next prime is 2400420263. The reversal of 2400420244 is 4420240042.

It can be written as a sum of positive squares in 2 ways, for example, as 2188368400 + 212051844 = 46780^2 + 14562^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5661157 + ... + 5661580.

It is an arithmetic number, because the mean of its divisors is an integer number (356666247).

Almost surely, 22400420244 is an apocalyptic number.

It is an amenable number.

2400420244 is a deficient number, since it is larger than the sum of its proper divisors (1879574720).

2400420244 is a wasteful number, since it uses less digits than its factorization.

2400420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322794 (or 11322792 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2400420244 is about 48994.0837652874. The cubic root of 2400420244 is about 1338.9440414871.

Adding to 2400420244 its reverse (4420240042), we get a palindrome (6820660286).

The spelling of 2400420244 in words is "two billion, four hundred million, four hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 4 53 106 212 11322737 22645474 45290948 600105061 1200210122 2400420244