Search a number
-
+
66000050 = 2521916911
BaseRepresentation
bin1111101111000…
…1010010110010
311121012011001022
43323301102302
5113344000200
610314335442
71430663654
oct373612262
9147164038
1066000050
11342898a6
121a12a582
131089acac
148aa06d4
155bda885
hex3ef14b2

66000050 has 24 divisors (see below), whose sum is σ = 123420672. Its totient is φ = 26258000.

The previous prime is 66000049. The next prime is 66000071. The reversal of 66000050 is 5000066.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65999992 and 66000028.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6095 + ... + 13005.

It is an arithmetic number, because the mean of its divisors is an integer number (5142528).

Almost surely, 266000050 is an apocalyptic number.

66000050 is a deficient number, since it is larger than the sum of its proper divisors (57420622).

66000050 is a wasteful number, since it uses less digits than its factorization.

66000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114 (or 7109 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 66000050 is about 8124.0414819227. The cubic root of 66000050 is about 404.1241041137.

The spelling of 66000050 in words is "sixty-six million, fifty", and thus it is an aban number, an eban number, and an uban number.

Divisors: 1 2 5 10 25 50 191 382 955 1910 4775 6911 9550 13822 34555 69110 172775 345550 1320001 2640002 6600005 13200010 33000025 66000050