Base | Representation |
---|---|
bin | 11001010100011… |
… | …11110000111110 |
3 | 112210200002200122 |
4 | 30222033300332 |
5 | 413333314324 |
6 | 33024254542 |
7 | 5156244344 |
oct | 1452176076 |
9 | 483602618 |
10 | 212401214 |
11 | a99931a3 |
12 | 5b171452 |
13 | 35009abc |
14 | 202cd994 |
15 | 139a8a5e |
hex | ca8fc3e |
212401214 has 4 divisors (see below), whose sum is σ = 318601824. Its totient is φ = 106200606.
The previous prime is 212401177. The next prime is 212401237. The reversal of 212401214 is 412104212.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×2124012142 = 90228551417347592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212401192 and 212401201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53100302 + ... + 53100305.
It is an arithmetic number, because the mean of its divisors is an integer number (79650456).
Almost surely, 2212401214 is an apocalyptic number.
212401214 is a deficient number, since it is larger than the sum of its proper divisors (106200610).
212401214 is a wasteful number, since it uses less digits than its factorization.
212401214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106200609.
The product of its (nonzero) digits is 128, while the sum is 17.
The square root of 212401214 is about 14573.9910113874. The cubic root of 212401214 is about 596.6491114893.
Adding to 212401214 its reverse (412104212), we get a palindrome (624505426).
The spelling of 212401214 in words is "two hundred twelve million, four hundred one thousand, two hundred fourteen".
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