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66876095 = 511313773
BaseRepresentation
bin1111111100011…
…1001010111111
311122211122202102
43333013022333
5114110013340
610345215315
71441303016
oct377071277
9148748672
1066876095
1134828000
121a49153b
1310b16970
148c4ba7d
155d10215
hex3fc72bf

66876095 has 32 divisors (see below), whose sum is σ = 95183424. Its totient is φ = 44837760.

The previous prime is 66876071. The next prime is 66876109. The reversal of 66876095 is 59067866.

66876095 = 2042 + 2052 + ... + 5932.

It is not a de Polignac number, because 66876095 - 210 = 66875071 is a prime.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 86129 + ... + 86901.

It is an arithmetic number, because the mean of its divisors is an integer number (2974482).

Almost surely, 266876095 is an apocalyptic number.

66876095 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66876095 is a deficient number, since it is larger than the sum of its proper divisors (28307329).

66876095 is a wasteful number, since it uses less digits than its factorization.

66876095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 66876095 is about 8177.7805668775. The cubic root of 66876095 is about 405.9042843436.

The spelling of 66876095 in words is "sixty-six million, eight hundred seventy-six thousand, ninety-five".

Divisors: 1 5 11 13 55 65 121 143 605 715 773 1331 1573 3865 6655 7865 8503 10049 17303 42515 50245 86515 93533 110539 467665 552695 1028863 1215929 5144315 6079645 13375219 66876095