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4400440130 = 2571287293
BaseRepresentation
bin1000001100100100…
…10110001101000010
3102100200012112001002
410012102112031002
533003003041010
62004352412002
7214022060342
oct40622261502
912320175032
104400440130
111958a2a889
12a29847002
13551888438
142da5d0d22
151ab4c41a5
hex106496342

4400440130 has 24 divisors (see below), whose sum is σ = 8034015996. Its totient is φ = 1735364960.

The previous prime is 4400440103. The next prime is 4400440151. The reversal of 4400440130 is 310440044.

It can be written as a sum of positive squares in 2 ways, for example, as 4238921449 + 161518681 = 65107^2 + 12709^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6764 + ... + 94056.

Almost surely, 24400440130 is an apocalyptic number.

4400440130 is a deficient number, since it is larger than the sum of its proper divisors (3633575866).

4400440130 is an equidigital number, since it uses as much as digits as its factorization.

4400440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87442 (or 87371 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4400440130 is about 66335.8133288497. The cubic root of 4400440130 is about 1638.6971769358.

Adding to 4400440130 its reverse (310440044), we get a palindrome (4710880174).

The spelling of 4400440130 in words is "four billion, four hundred million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 5041 10082 25205 50410 87293 174586 436465 872930 6197803 12395606 30989015 61978030 440044013 880088026 2200220065 4400440130