Base | Representation |
---|---|
bin | 1111010011001… |
… | …0110000010110 |
3 | 11110202020002211 |
4 | 3310302300112 |
5 | 112411433110 |
6 | 10211224034 |
7 | 1406305360 |
oct | 364626026 |
9 | 143666084 |
10 | 64171030 |
11 | 3324a710 |
12 | 195a801a |
13 | 103aa631 |
14 | 8745d30 |
15 | 597898a |
hex | 3d32c16 |
64171030 has 32 divisors (see below), whose sum is σ = 144011520. Its totient is φ = 20001120.
The previous prime is 64171021. The next prime is 64171031. The reversal of 64171030 is 3017146.
64171030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a junction number, because it is equal to n+sod(n) for n = 64170992 and 64171010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64171031) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 40900 + ... + 42439.
It is an arithmetic number, because the mean of its divisors is an integer number (4500360).
Almost surely, 264171030 is an apocalyptic number.
64171030 is an abundant number, since it is smaller than the sum of its proper divisors (79840490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64171030 is a wasteful number, since it uses less digits than its factorization.
64171030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83364.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 64171030 is about 8010.6822431051. The cubic root of 64171030 is about 400.3559955739.
Adding to 64171030 its reverse (3017146), we get a palindrome (67188176).
It can be divided in two parts, 6417 and 1030, that added together give a palindrome (7447).
The spelling of 64171030 in words is "sixty-four million, one hundred seventy-one thousand, thirty".
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