Base | Representation |
---|---|
bin | 11001101000110… |
… | …111111001110100 |
3 | 1002222101122012111 |
4 | 121220313321310 |
5 | 1340104121030 |
6 | 110403300404 |
7 | 13442113315 |
oct | 3150677164 |
9 | 1088348174 |
10 | 430145140 |
11 | 200895457 |
12 | 10007a704 |
13 | 6b167669 |
14 | 411b060c |
15 | 27b6a62a |
hex | 19a37e74 |
430145140 has 12 divisors (see below), whose sum is σ = 903304836. Its totient is φ = 172058048.
The previous prime is 430145137. The next prime is 430145141. The reversal of 430145140 is 41541034.
It can be written as a sum of positive squares in 2 ways, for example, as 104775696 + 325369444 = 10236^2 + 18038^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430145141) 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 3 ways as a sum of consecutive naturals, for example, 10753609 + ... + 10753648.
It is an arithmetic number, because the mean of its divisors is an integer number (75275403).
Almost surely, 2430145140 is an apocalyptic number.
It is an amenable number.
430145140 is an abundant number, since it is smaller than the sum of its proper divisors (473159696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
430145140 is a wasteful number, since it uses less digits than its factorization.
430145140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21507266 (or 21507264 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 430145140 is about 20739.9406942257. The cubic root of 430145140 is about 754.8691438784.
Adding to 430145140 its reverse (41541034), we get a palindrome (471686174).
The spelling of 430145140 in words is "four hundred thirty million, one hundred forty-five thousand, one hundred forty".
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