Base | Representation |
---|---|
bin | 11001101101101… |
… | …111001001111110 |
3 | 1010001210102000122 |
4 | 121231233021332 |
5 | 1340420420110 |
6 | 110450454542 |
7 | 13456003226 |
oct | 3155571176 |
9 | 1101712018 |
10 | 431420030 |
11 | 201586288 |
12 | 100594452 |
13 | 6b4c2a32 |
14 | 41423086 |
15 | 27d1d255 |
hex | 19b6f27e |
431420030 has 8 divisors (see below), whose sum is σ = 776556072. Its totient is φ = 172568008.
The previous prime is 431419991. The next prime is 431420051. The reversal of 431420030 is 30024134.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×4314200302 = 372246484570401800, which contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 431419990 and 431420008.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21570992 + ... + 21571011.
It is an arithmetic number, because the mean of its divisors is an integer number (97069509).
Almost surely, 2431420030 is an apocalyptic number.
431420030 is a deficient number, since it is larger than the sum of its proper divisors (345136042).
431420030 is a wasteful number, since it uses less digits than its factorization.
431420030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43142010.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 431420030 is about 20770.6530951725. The cubic root of 431420030 is about 755.6141837996.
Adding to 431420030 its reverse (30024134), we get a palindrome (461444164).
The spelling of 431420030 in words is "four hundred thirty-one million, four hundred twenty thousand, thirty".
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