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66064006 = 2171943059
BaseRepresentation
bin1111110000000…
…0111010000110
311121022101210001
43330000322012
5113403022011
610315551514
71431351301
oct374007206
9147271701
1066064006
1134322958
121a15b59a
13108c1138
148ab9b38
155bee7c1
hex3f00e86

66064006 has 8 divisors (see below), whose sum is σ = 104925240. Its totient is φ = 31088928.

The previous prime is 66063983. The next prime is 66064043. The reversal of 66064006 is 60046066.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971496 + ... + 971563.

It is an arithmetic number, because the mean of its divisors is an integer number (13115655).

Almost surely, 266064006 is an apocalyptic number.

66064006 is a deficient number, since it is larger than the sum of its proper divisors (38861234).

66064006 is a wasteful number, since it uses less digits than its factorization.

66064006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943078.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66064006 is about 8127.9767470140. The cubic root of 66064006 is about 404.2545980408.

The spelling of 66064006 in words is "sixty-six million, sixty-four thousand, six", and thus it is an eban number.

Divisors: 1 2 17 34 1943059 3886118 33032003 66064006