Base | Representation |
---|---|
bin | 11001101000110… |
… | …110111001011101 |
3 | 1002222101102112221 |
4 | 121220312321131 |
5 | 1340104003041 |
6 | 110403225341 |
7 | 13442065312 |
oct | 3150667135 |
9 | 1088342487 |
10 | 430141021 |
11 | 200892352 |
12 | 100078251 |
13 | 6b16581b |
14 | 411acd09 |
15 | 27b692d1 |
hex | 19a36e5d |
430141021 has 16 divisors (see below), whose sum is σ = 483902640. Its totient is φ = 380298240.
The previous prime is 430141003. The next prime is 430141043. The reversal of 430141021 is 120141034.
It can be written as a sum of positive squares in 8 ways, for example, as 30580900 + 399560121 = 5530^2 + 19989^2 .
It is a cyclic number.
It is not a de Polignac number, because 430141021 - 29 = 430140509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 430140986 and 430141004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (430141051) 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 15 ways as a sum of consecutive naturals, for example, 6451 + ... + 30031.
It is an arithmetic number, because the mean of its divisors is an integer number (30243915).
Almost surely, 2430141021 is an apocalyptic number.
It is an amenable number.
430141021 is a deficient number, since it is larger than the sum of its proper divisors (53761619).
430141021 is a wasteful number, since it uses less digits than its factorization.
430141021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23664.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 430141021 is about 20739.8413928362. The cubic root of 430141021 is about 754.8667343693.
Adding to 430141021 its reverse (120141034), we get a palindrome (550282055).
The spelling of 430141021 in words is "four hundred thirty million, one hundred forty-one thousand, twenty-one".
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