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66468095 = 537536779
BaseRepresentation
bin1111110110001…
…1100011111111
311122001221002022
43331203203333
5114003434340
610332350355
71434653351
oct375434377
9148057068
1066468095
1134579511
121a3153bb
1310a03045
148b830d1
155c7e3b5
hex3f638ff

66468095 has 16 divisors (see below), whose sum is σ = 83475360. Its totient is φ = 50753664.

The previous prime is 66468047. The next prime is 66468107. The reversal of 66468095 is 59086466.

It is a cyclic number.

It is not a de Polignac number, because 66468095 - 28 = 66467839 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6416 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (5217210).

Almost surely, 266468095 is an apocalyptic number.

66468095 is a deficient number, since it is larger than the sum of its proper divisors (17007265).

66468095 is a wasteful number, since it uses less digits than its factorization.

66468095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6874.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 66468095 is about 8152.7967593949. The cubic root of 66468095 is about 405.0771483372.

It can be divided in two parts, 6646 and 8095, that added together give a palindrome (14741).

The spelling of 66468095 in words is "sixty-six million, four hundred sixty-eight thousand, ninety-five".

Divisors: 1 5 37 53 185 265 1961 6779 9805 33895 250823 359287 1254115 1796435 13293619 66468095