Base | Representation |
---|---|
bin | 11001010100011… |
… | …11111110010011 |
3 | 112210200010212020 |
4 | 30222033332103 |
5 | 413333331232 |
6 | 33024302523 |
7 | 5156250003 |
oct | 1452177623 |
9 | 483603766 |
10 | 212402067 |
11 | a99938a9 |
12 | 5b171a43 |
13 | 3500a2c7 |
14 | 202d0003 |
15 | 139a8e2c |
hex | ca8ff93 |
212402067 has 8 divisors (see below), whose sum is σ = 283299840. Its totient is φ = 141552840.
The previous prime is 212402027. The next prime is 212402093. The reversal of 212402067 is 760204212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 212402067 - 214 = 212385683 is a prime.
It is a super-2 number, since 2×2124020672 = 90229276131744978, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212402027) 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, 267 + ... + 20612.
It is an arithmetic number, because the mean of its divisors is an integer number (35412480).
Almost surely, 2212402067 is an apocalyptic number.
212402067 is a deficient number, since it is larger than the sum of its proper divisors (70897773).
212402067 is a wasteful number, since it uses less digits than its factorization.
212402067 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24273.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 212402067 is about 14574.0202758196. The cubic root of 212402067 is about 596.6499101994.
Adding to 212402067 its reverse (760204212), we get a palindrome (972606279).
The spelling of 212402067 in words is "two hundred twelve million, four hundred two thousand, sixty-seven".
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