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4280982980 = 225214049149
BaseRepresentation
bin1111111100101010…
…1001110111000100
3102001100102110122012
43333022221313010
532231412423410
61544444153352
7211041516641
oct37712516704
912040373565
104280982980
1118a755996a
129b5838858
13532bc1631
142c87b6dc8
151a0c79605
hexff2a9dc4

4280982980 has 12 divisors (see below), whose sum is σ = 8990064300. Its totient is φ = 1712393184.

The previous prime is 4280982971. The next prime is 4280982983. The reversal of 4280982980 is 892890824.

It can be written as a sum of positive squares in 2 ways, for example, as 3079806016 + 1201176964 = 55496^2 + 34658^2 .

It is not an unprimeable number, because it can be changed into a prime (4280982983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107024555 + ... + 107024594.

It is an arithmetic number, because the mean of its divisors is an integer number (749172025).

Almost surely, 24280982980 is an apocalyptic number.

It is an amenable number.

4280982980 is an abundant number, since it is smaller than the sum of its proper divisors (4709081320).

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

4280982980 is a wasteful number, since it uses less digits than its factorization.

4280982980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214049158 (or 214049156 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 4280982980 is about 65429.2211477410. The cubic root of 4280982980 is about 1623.7325634219.

The spelling of 4280982980 in words is "four billion, two hundred eighty million, nine hundred eighty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 214049149 428098298 856196596 1070245745 2140491490 4280982980