Base | Representation |
---|---|
bin | 11001010100011… |
… | …00001101110000 |
3 | 112210122100202001 |
4 | 30222030031300 |
5 | 413332333142 |
6 | 33024103344 |
7 | 5156154061 |
oct | 1452141560 |
9 | 483570661 |
10 | 212386672 |
11 | a9983283 |
12 | 5b164b54 |
13 | 350032b4 |
14 | 202c8568 |
15 | 139a45b7 |
hex | ca8c370 |
212386672 has 30 divisors (see below), whose sum is σ = 415268808. Its totient is φ = 105229152.
The previous prime is 212386651. The next prime is 212386751. The reversal of 212386672 is 276683212.
212386672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257653 + ... + 258475.
Almost surely, 2212386672 is an apocalyptic number.
It is an amenable number.
212386672 is a deficient number, since it is larger than the sum of its proper divisors (202882136).
212386672 is an equidigital number, since it uses as much as digits as its factorization.
212386672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1085 (or 952 counting only the distinct ones).
The product of its digits is 48384, while the sum is 37.
The square root of 212386672 is about 14573.4921003855. The cubic root of 212386672 is about 596.6354946974.
It can be divided in two parts, 212 and 386672, that added together give a square (386884 = 6222).
The spelling of 212386672 in words is "two hundred twelve million, three hundred eighty-six thousand, six hundred seventy-two".
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