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66282468 = 2237789077
BaseRepresentation
bin1111110011011…
…0001111100100
311121201111110020
43330312033210
5113432014333
610324355140
71433251230
oct374661744
9147644406
1066282468
1134461aaa
121a245ab0
13109696c5
148b355c0
155c443b3
hex3f363e4

66282468 has 24 divisors (see below), whose sum is σ = 176753472. Its totient is φ = 18937824.

The previous prime is 66282451. The next prime is 66282521. The reversal of 66282468 is 86428266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394455 + ... + 394622.

It is an arithmetic number, because the mean of its divisors is an integer number (7364728).

Almost surely, 266282468 is an apocalyptic number.

It is an amenable number.

66282468 is an abundant number, since it is smaller than the sum of its proper divisors (110471004).

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

66282468 is a wasteful number, since it uses less digits than its factorization.

66282468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789091 (or 789089 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 66282468 is about 8141.4045471282. The cubic root of 66282468 is about 404.6997072877.

The spelling of 66282468 in words is "sixty-six million, two hundred eighty-two thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 789077 1578154 2367231 3156308 4734462 5523539 9468924 11047078 16570617 22094156 33141234 66282468