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66008036 = 22131912511
BaseRepresentation
bin1111101111001…
…1001111100100
311121012120000002
43323303033210
5113344224121
610314440432
71431026153
oct373631744
9147176002
1066008036
11342948a6
121a133118
13108a1813
148aa359a
155bdce0b
hex3ef33e4

66008036 has 12 divisors (see below), whose sum is σ = 115610880. Its totient is φ = 32976360.

The previous prime is 66008029. The next prime is 66008057. The reversal of 66008036 is 63080066.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 980 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (9634240).

Almost surely, 266008036 is an apocalyptic number.

It is an amenable number.

66008036 is a deficient number, since it is larger than the sum of its proper divisors (49602844).

66008036 is a wasteful number, since it uses less digits than its factorization.

66008036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13834 (or 13832 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66008036 is about 8124.5329711929. The cubic root of 66008036 is about 404.1404031162.

The spelling of 66008036 in words is "sixty-six million, eight thousand, thirty-six".

Divisors: 1 2 4 1319 2638 5276 12511 25022 50044 16502009 33004018 66008036