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66882495 = 353723257
BaseRepresentation
bin1111111100100…
…0101110111111
311122211222112110
43333020232333
5114110214440
610345305103
71441330461
oct377105677
9148758473
1066882495
1134831899
121a495193
1310b19854
148c50131
155d12080
hex3fc8bbf

66882495 has 24 divisors (see below), whose sum is σ = 110016144. Its totient is φ = 34695936.

The previous prime is 66882433. The next prime is 66882523. The reversal of 66882495 is 59428866.

It is a happy number.

It is not a de Polignac number, because 66882495 - 210 = 66881471 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 23 ways as a sum of consecutive naturals, for example, 18907 + ... + 22163.

It is an arithmetic number, because the mean of its divisors is an integer number (4584006).

Almost surely, 266882495 is an apocalyptic number.

66882495 is a deficient number, since it is larger than the sum of its proper divisors (43133649).

66882495 is a wasteful number, since it uses less digits than its factorization.

66882495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339 (or 3302 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 66882495 is about 8178.1718617305. The cubic root of 66882495 is about 405.9172321917.

The spelling of 66882495 in words is "sixty-six million, eight hundred eighty-two thousand, four hundred ninety-five".

Divisors: 1 3 5 15 37 111 185 555 1369 3257 4107 6845 9771 16285 20535 48855 120509 361527 602545 1807635 4458833 13376499 22294165 66882495