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666482760 = 2332519139701
BaseRepresentation
bin100111101110011…
…011100001001000
31201110002211110200
4213232123201020
52331104422020
6150045012200
722342003266
oct4756334110
91643084420
10666482760
113122373a9
12167254060
13a81054c8
1464731436
153d7a1590
hex27b9b848

666482760 has 192 divisors, whose sum is σ = 2299752000. Its totient is φ = 166924800.

The previous prime is 666482759. The next prime is 666482771. The reversal of 666482760 is 67284666.

666482760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 950410 + ... + 951110.

It is an arithmetic number, because the mean of its divisors is an integer number (11977875).

Almost surely, 2666482760 is an apocalyptic number.

666482760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 666482760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149876000).

666482760 is an abundant number, since it is smaller than the sum of its proper divisors (1633269240).

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

666482760 is a wasteful number, since it uses less digits than its factorization.

666482760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 666482760 is about 25816.3273917883. The cubic root of 666482760 is about 873.5001287130.

The spelling of 666482760 in words is "six hundred sixty-six million, four hundred eighty-two thousand, seven hundred sixty".