Base | Representation |
---|---|
bin | 11001010011101… |
… | …11000100000101 |
3 | 112210110221220100 |
4 | 30221313010011 |
5 | 413322100122 |
6 | 33022154313 |
7 | 5155343355 |
oct | 1451670405 |
9 | 483427810 |
10 | 212300037 |
11 | a9924184 |
12 | 5b122999 |
13 | 34ca2a31 |
14 | 202a4b65 |
15 | 13988aac |
hex | ca77105 |
212300037 has 12 divisors (see below), whose sum is σ = 307482604. Its totient is φ = 141151680.
The previous prime is 212300021. The next prime is 212300057. The reversal of 212300037 is 730003212.
It can be written as a sum of positive squares in 2 ways, for example, as 88623396 + 123676641 = 9414^2 + 11121^2 .
It is not a de Polignac number, because 212300037 - 24 = 212300021 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212299992 and 212300019.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212300057) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28264 + ... + 34977.
Almost surely, 2212300037 is an apocalyptic number.
It is an amenable number.
212300037 is a deficient number, since it is larger than the sum of its proper divisors (95182567).
212300037 is a wasteful number, since it uses less digits than its factorization.
212300037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63620 (or 63617 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 212300037 is about 14570.5194485303. The cubic root of 212300037 is about 596.5543588059.
Adding to 212300037 its reverse (730003212), we get a palindrome (942303249).
The spelling of 212300037 in words is "two hundred twelve million, three hundred thousand, thirty-seven".
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