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385217106 = 2364202851
BaseRepresentation
bin10110111101011…
…111001001010010
3222211212001112020
4112331133021102
51242103421411
6102120312310
712355201641
oct2675371122
9884761466
10385217106
1118849934a
12a9012696
1361a66a21
1439237358
1523c43606
hex16f5f252

385217106 has 8 divisors (see below), whose sum is σ = 770434224. Its totient is φ = 128405700.

The previous prime is 385217089. The next prime is 385217111. The reversal of 385217106 is 601712583.

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

385217106 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 32101420 + ... + 32101431.

It is an arithmetic number, because the mean of its divisors is an integer number (96304278).

Almost surely, 2385217106 is an apocalyptic number.

385217106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

385217106 is a wasteful number, since it uses less digits than its factorization.

385217106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64202856.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 385217106 is about 19626.9484637832. The cubic root of 385217106 is about 727.6153537516.

Adding to 385217106 its reverse (601712583), we get a palindrome (986929689).

The spelling of 385217106 in words is "three hundred eighty-five million, two hundred seventeen thousand, one hundred six".

Divisors: 1 2 3 6 64202851 128405702 192608553 385217106