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4379987080 = 235715642811
BaseRepresentation
bin1000001010001000…
…10100110010001000
3102022020201101201201
410011010110302020
532432234041310
62002342153544
7213353163430
oct40504246210
912266641651
104379987080
111948430137
12a22a228b4
1354a576a41
142d79c92c0
151a97d3e3a
hex105114c88

4379987080 has 32 divisors (see below), whose sum is σ = 11262824640. Its totient is φ = 1501709760.

The previous prime is 4379987063. The next prime is 4379987081. The reversal of 4379987080 is 807899734.

It is not an unprimeable number, because it can be changed into a prime (4379987081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7821126 + ... + 7821685.

It is an arithmetic number, because the mean of its divisors is an integer number (351963270).

Almost surely, 24379987080 is an apocalyptic number.

4379987080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4379987080 is an abundant number, since it is smaller than the sum of its proper divisors (6882837560).

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

4379987080 is a wasteful number, since it uses less digits than its factorization.

4379987080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642829 (or 15642825 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 4379987080 is about 66181.4708207667. The cubic root of 4379987080 is about 1636.1543693744.

The spelling of 4379987080 in words is "four billion, three hundred seventy-nine million, nine hundred eighty-seven thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 15642811 31285622 62571244 78214055 109499677 125142488 156428110 218999354 312856220 437998708 547498385 625712440 875997416 1094996770 2189993540 4379987080