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4217485385 = 51922336557
BaseRepresentation
bin1111101101100001…
…1011100001001001
3101212220221110022102
43323120123201021
532114134013020
61534255203145
7206341014521
oct37330334111
911786843272
104217485385
11187472a213
129985164b5
135229bb6a9
142c01a8681
1519a3d5475
hexfb61b849

4217485385 has 12 divisors (see below), whose sum is σ = 5341371588. Its totient is φ = 3196408608.

The previous prime is 4217485373. The next prime is 4217485387. The reversal of 4217485385 is 5835847124.

It can be written as a sum of positive squares in 2 ways, for example, as 1231518649 + 2985966736 = 35093^2 + 54644^2 .

It is a de Polignac number, because none of the positive numbers 2k-4217485385 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4217485387) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1166474 + ... + 1170083.

It is an arithmetic number, because the mean of its divisors is an integer number (445114299).

Almost surely, 24217485385 is an apocalyptic number.

It is an amenable number.

4217485385 is a deficient number, since it is larger than the sum of its proper divisors (1123886203).

4217485385 is a wasteful number, since it uses less digits than its factorization.

4217485385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336600 (or 2336581 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 47.

The square root of 4217485385 is about 64942.1695433714. The cubic root of 4217485385 is about 1615.6645477339.

The spelling of 4217485385 in words is "four billion, two hundred seventeen million, four hundred eighty-five thousand, three hundred eighty-five".

Divisors: 1 5 19 95 361 1805 2336557 11682785 44394583 221972915 843497077 4217485385