Base | Representation |
---|---|
bin | 11001011000011… |
… | …11101000101100 |
3 | 112211122201011002 |
4 | 30230033220230 |
5 | 414002044342 |
6 | 33043415432 |
7 | 5163555341 |
oct | 1454175054 |
9 | 484581132 |
10 | 212924972 |
11 | aa210757 |
12 | 5b384578 |
13 | 35161310 |
14 | 203c87c8 |
15 | 13a5dd32 |
hex | cb0fa2c |
212924972 has 24 divisors (see below), whose sum is σ = 411073152. Its totient is φ = 95875200.
The previous prime is 212924951. The next prime is 212924977. The reversal of 212924972 is 279429212.
212924972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (212924977) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47804 + ... + 52067.
It is an arithmetic number, because the mean of its divisors is an integer number (17128048).
Almost surely, 2212924972 is an apocalyptic number.
It is an amenable number.
212924972 is a deficient number, since it is larger than the sum of its proper divisors (198148180).
212924972 is a wasteful number, since it uses less digits than its factorization.
212924972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99929 (or 99927 counting only the distinct ones).
The product of its digits is 36288, while the sum is 38.
The square root of 212924972 is about 14591.9488760069. The cubic root of 212924972 is about 597.1391325952.
The spelling of 212924972 in words is "two hundred twelve million, nine hundred twenty-four thousand, nine hundred seventy-two".
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