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66495095 = 528346993
BaseRepresentation
bin1111110110101…
…0001001110111
311122010022010022
43331222021313
5114010320340
610333115355
71435125152
oct375521167
9148108108
1066495095
1134597827
121a328b5b
1310a12414
148b8cc99
155c873b5
hex3f6a277

66495095 has 8 divisors (see below), whose sum is σ = 80077776. Its totient is φ = 53006976.

The previous prime is 66495089. The next prime is 66495097. The reversal of 66495095 is 59059466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66495095 - 28 = 66494839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66495097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22082 + ... + 24911.

It is an arithmetic number, because the mean of its divisors is an integer number (10009722).

Almost surely, 266495095 is an apocalyptic number.

66495095 is a deficient number, since it is larger than the sum of its proper divisors (13582681).

66495095 is a wasteful number, since it uses less digits than its factorization.

66495095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47281.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 66495095 is about 8154.4524647581. The cubic root of 66495095 is about 405.1319896984.

It can be divided in two parts, 664 and 95095, that added together give a palindrome (95759).

The spelling of 66495095 in words is "sixty-six million, four hundred ninety-five thousand, ninety-five".

Divisors: 1 5 283 1415 46993 234965 13299019 66495095