Base | Representation |
---|---|
bin | 11001101100111… |
… | …001011111010100 |
3 | 1010001101020111020 |
4 | 121230321133110 |
5 | 1340341401322 |
6 | 110442041140 |
7 | 13454066322 |
oct | 3154713724 |
9 | 1101336436 |
10 | 431200212 |
11 | 201446113 |
12 | 1004a91b0 |
13 | 6b446971 |
14 | 413a6d12 |
15 | 27cc805c |
hex | 19b397d4 |
431200212 has 48 divisors (see below), whose sum is σ = 1060631040. Its totient is φ = 135970272.
The previous prime is 431200199. The next prime is 431200213. The reversal of 431200212 is 212002134.
It is a junction number, because it is equal to n+sod(n) for n = 431200191 and 431200200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431200213) 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, 297273 + ... + 298719.
It is an arithmetic number, because the mean of its divisors is an integer number (22096480).
Almost surely, 2431200212 is an apocalyptic number.
It is an amenable number.
431200212 is an abundant number, since it is smaller than the sum of its proper divisors (629430828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431200212 is a wasteful number, since it uses less digits than its factorization.
431200212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 431200212 is about 20765.3608685233. The cubic root of 431200212 is about 755.4858279783.
Adding to 431200212 its reverse (212002134), we get a palindrome (643202346).
The spelling of 431200212 in words is "four hundred thirty-one million, two hundred thousand, two hundred twelve".
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