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66610050 = 23521334159
BaseRepresentation
bin1111111000011…
…0001110000010
311122100010210220
43332012032002
5114023010200
610335403510
71436114253
oct376061602
9148303726
1066610050
1134666131
121a383596
1310a52840
148bbcb2a
155cab4a0
hex3f86382

66610050 has 48 divisors (see below), whose sum is σ = 177905280. Its totient is φ = 16395840.

The previous prime is 66610043. The next prime is 66610069. The reversal of 66610050 is 5001666.

66610050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×666100502 = 8873797522005000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66610050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15130 + ... + 19029.

It is an arithmetic number, because the mean of its divisors is an integer number (3706360).

Almost surely, 266610050 is an apocalyptic number.

66610050 is an abundant number, since it is smaller than the sum of its proper divisors (111295230).

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

66610050 is a wasteful number, since it uses less digits than its factorization.

66610050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34187 (or 34182 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 66610050 is about 8161.4980242600. The cubic root of 66610050 is about 405.3653158616.

The spelling of 66610050 in words is "sixty-six million, six hundred ten thousand, fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 34159 68318 102477 170795 204954 341590 444067 512385 853975 888134 1024770 1332201 1707950 2220335 2561925 2664402 4440670 5123850 6661005 11101675 13322010 22203350 33305025 66610050