Base | Representation |
---|---|
bin | 11001101100111… |
… | …100111011101000 |
3 | 1010001101221211110 |
4 | 121230330323220 |
5 | 1340342324222 |
6 | 110442230320 |
7 | 13454155404 |
oct | 3154747350 |
9 | 1101357743 |
10 | 431214312 |
11 | 201455771 |
12 | 1004b53a0 |
13 | 6b4501c9 |
14 | 413ac104 |
15 | 27ccc30c |
hex | 19b3cee8 |
431214312 has 32 divisors (see below), whose sum is σ = 1079164800. Its totient is φ = 143587584.
The previous prime is 431214293. The next prime is 431214313. The reversal of 431214312 is 213412134.
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (431214313) 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 7 ways as a sum of consecutive naturals, for example, 15313 + ... + 33119.
It is an arithmetic number, because the mean of its divisors is an integer number (33723900).
Almost surely, 2431214312 is an apocalyptic number.
It is an amenable number.
431214312 is an abundant number, since it is smaller than the sum of its proper divisors (647950488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431214312 is a wasteful number, since it uses less digits than its factorization.
431214312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18825 (or 18821 counting only the distinct ones).
The product of its digits is 576, while the sum is 21.
The square root of 431214312 is about 20765.7003734524. The cubic root of 431214312 is about 755.4940625399.
Adding to 431214312 its reverse (213412134), we get a palindrome (644626446).
The spelling of 431214312 in words is "four hundred thirty-one million, two hundred fourteen thousand, three hundred twelve".
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