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66080959 = 729713903
BaseRepresentation
bin1111110000010…
…1000010111111
311121100021000221
43330011002333
5113404042314
610320202211
71431451600
oct374050277
9147307027
1066080959
113433466a
121a169367
13108c8a79
148ac1da7
155c04824
hex3f050bf

66080959 has 12 divisors (see below), whose sum is σ = 77667744. Its totient is φ = 56052864.

The previous prime is 66080957. The next prime is 66081007. The reversal of 66080959 is 95908066.

It is not a de Polignac number, because 66080959 - 21 = 66080957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66080951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2199 + ... + 11704.

It is an arithmetic number, because the mean of its divisors is an integer number (6472312).

Almost surely, 266080959 is an apocalyptic number.

66080959 is a deficient number, since it is larger than the sum of its proper divisors (11586785).

66080959 is a wasteful number, since it uses less digits than its factorization.

66080959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014 (or 14007 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 66080959 is about 8129.0195595779. The cubic root of 66080959 is about 404.2891743175.

The spelling of 66080959 in words is "sixty-six million, eighty thousand, nine hundred fifty-nine".

Divisors: 1 7 49 97 679 4753 13903 97321 681247 1348591 9440137 66080959