Base | Representation |
---|---|
bin | 11001010011101… |
… | …11001001110001 |
3 | 112210110222101211 |
4 | 30221313021301 |
5 | 413322103101 |
6 | 33022200121 |
7 | 5155344415 |
oct | 1451671161 |
9 | 483428354 |
10 | 212300401 |
11 | a9924485 |
12 | 5b123041 |
13 | 34ca2c51 |
14 | 202a4d45 |
15 | 13988c51 |
hex | ca77271 |
212300401 has 2 divisors, whose sum is σ = 212300402. Its totient is φ = 212300400.
The previous prime is 212300381. The next prime is 212300443. The reversal of 212300401 is 104003212.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 188787600 + 23512801 = 13740^2 + 4849^2 .
It is a cyclic number.
It is not a de Polignac number, because 212300401 - 27 = 212300273 is a prime.
It is not a weakly prime, because it can be changed into another prime (212303401) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150200 + 106150201.
It is an arithmetic number, because the mean of its divisors is an integer number (106150201).
Almost surely, 2212300401 is an apocalyptic number.
It is an amenable number.
212300401 is a deficient number, since it is larger than the sum of its proper divisors (1).
212300401 is an equidigital number, since it uses as much as digits as its factorization.
212300401 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 212300401 is about 14570.5319395004. The cubic root of 212300401 is about 596.5546997474.
Adding to 212300401 its reverse (104003212), we get a palindrome (316303613).
The spelling of 212300401 in words is "two hundred twelve million, three hundred thousand, four hundred one".
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