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66043062 = 23217215827
BaseRepresentation
bin1111101111101…
…1110010110110
311121021100001100
43323323302312
5113401334222
610315310530
71431233241
oct373736266
9147240040
1066043062
1134309148
121a14b446
13108b4747
148ab2258
155be84ac
hex3efbcb6

66043062 has 24 divisors (see below), whose sum is σ = 151511256. Its totient is φ = 20719296.

The previous prime is 66043013. The next prime is 66043067. The reversal of 66043062 is 26034066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66043067) 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 11 ways as a sum of consecutive naturals, for example, 107608 + ... + 108219.

It is an arithmetic number, because the mean of its divisors is an integer number (6312969).

Almost surely, 266043062 is an apocalyptic number.

66043062 is an abundant number, since it is smaller than the sum of its proper divisors (85468194).

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

66043062 is a wasteful number, since it uses less digits than its factorization.

66043062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215852 (or 215849 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 66043062 is about 8126.6882553719. The cubic root of 66043062 is about 404.2118738016.

The spelling of 66043062 in words is "sixty-six million, forty-three thousand, sixty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 215827 431654 647481 1294962 1942443 3669059 3884886 7338118 11007177 22014354 33021531 66043062