Base | Representation |
---|---|
bin | 11001010110100… |
… | …01111011001111 |
3 | 112211011212102102 |
4 | 30223101323033 |
5 | 413421002312 |
6 | 33034145315 |
7 | 5161453406 |
oct | 1453217317 |
9 | 484155372 |
10 | 212672207 |
11 | aa058860 |
12 | 5b28223b |
13 | 350a3257 |
14 | 2036063d |
15 | 13a0dec2 |
hex | cad1ecf |
212672207 has 16 divisors (see below), whose sum is σ = 238684320. Its totient is φ = 187814400.
The previous prime is 212672179. The next prime is 212672219. The reversal of 212672207 is 702276212.
It is a cyclic number.
It is not a de Polignac number, because 212672207 - 26 = 212672143 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 212672207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212672507) 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, 120443 + ... + 122195.
It is an arithmetic number, because the mean of its divisors is an integer number (14917770).
Almost surely, 2212672207 is an apocalyptic number.
212672207 is a deficient number, since it is larger than the sum of its proper divisors (26012113).
212672207 is a wasteful number, since it uses less digits than its factorization.
212672207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2074.
The product of its (nonzero) digits is 4704, while the sum is 29.
The square root of 212672207 is about 14583.2851923015. The cubic root of 212672207 is about 596.9027494276.
The spelling of 212672207 in words is "two hundred twelve million, six hundred seventy-two thousand, two hundred seven".
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