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66086052 = 2235507171
BaseRepresentation
bin1111110000011…
…0010010100100
311121100112000120
43330012102210
5113404223202
610320241540
71431502464
oct374062244
9147315016
1066086052
113433847a
121a1702b0
13108cb196
148ac3ba4
155c060bc
hex3f064a4

66086052 has 12 divisors (see below), whose sum is σ = 154200816. Its totient is φ = 22028680.

The previous prime is 66086051. The next prime is 66086081. The reversal of 66086052 is 25068066.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (66086051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753574 + ... + 2753597.

It is an arithmetic number, because the mean of its divisors is an integer number (12850068).

Almost surely, 266086052 is an apocalyptic number.

It is an amenable number.

66086052 is an abundant number, since it is smaller than the sum of its proper divisors (88114764).

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

66086052 is a wasteful number, since it uses less digits than its factorization.

66086052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507178 (or 5507176 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66086052 is about 8129.3328139522. The cubic root of 66086052 is about 404.2995605261.

The spelling of 66086052 in words is "sixty-six million, eighty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 12 5507171 11014342 16521513 22028684 33043026 66086052