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4384428280 = 235347315881
BaseRepresentation
bin1000001010101010…
…10001000011111000
3102022120002000220121
410011111101003320
532434403201110
62003021303024
7213436011511
oct40525210370
912276060817
104384428280
11194a993951
12a24404a74
1354b47037b
142d8423a08
151a9daecda
hex1055510f8

4384428280 has 32 divisors (see below), whose sum is σ = 9893424240. Its totient is φ = 1748711680.

The previous prime is 4384428259. The next prime is 4384428287. The reversal of 4384428280 is 828244834.

It is a super-2 number, since 2×43844282802 = 38446422684927516800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4384428287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 144061 + ... + 171820.

Almost surely, 24384428280 is an apocalyptic number.

4384428280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4384428280 is an abundant number, since it is smaller than the sum of its proper divisors (5508995960).

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

4384428280 is a wasteful number, since it uses less digits than its factorization.

4384428280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316239 (or 316235 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The square root of 4384428280 is about 66215.0155176301. The cubic root of 4384428280 is about 1636.7071894338.

The spelling of 4384428280 in words is "four billion, three hundred eighty-four million, four hundred twenty-eight thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 347 694 1388 1735 2776 3470 6940 13880 315881 631762 1263524 1579405 2527048 3158810 6317620 12635240 109610707 219221414 438442828 548053535 876885656 1096107070 2192214140 4384428280