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66050412 = 2235504201
BaseRepresentation
bin1111101111110…
…1100101101100
311121021201010120
43323331211230
5113402103122
610315404540
71431263541
oct373754554
9147251116
1066050412
113431371a
121a153750
13108b7bac
148ab4bc8
155bea75c
hex3efd96c

66050412 has 12 divisors (see below), whose sum is σ = 154117656. Its totient is φ = 22016800.

The previous prime is 66050407. The next prime is 66050431. The reversal of 66050412 is 21405066.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

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, 2752089 + ... + 2752112.

It is an arithmetic number, because the mean of its divisors is an integer number (12843138).

Almost surely, 266050412 is an apocalyptic number.

It is an amenable number.

66050412 is an abundant number, since it is smaller than the sum of its proper divisors (88067244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66050412 is a wasteful number, since it uses less digits than its factorization.

66050412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504208 (or 5504206 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 66050412 is about 8127.1404565197. The cubic root of 66050412 is about 404.2268682965.

Adding to 66050412 its reverse (21405066), we get a palindrome (87455478).

The spelling of 66050412 in words is "sixty-six million, fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 5504201 11008402 16512603 22016804 33025206 66050412