Base | Representation |
---|---|
bin | 11001010101000… |
… | …00101010010000 |
3 | 112210210121121200 |
4 | 30222200222100 |
5 | 413343023131 |
6 | 33025551200 |
7 | 5156653164 |
oct | 1452405220 |
9 | 483717550 |
10 | 212470416 |
11 | a9a30194 |
12 | 5b1a5500 |
13 | 35032452 |
14 | 2030aca4 |
15 | 139be2e6 |
hex | caa0a90 |
212470416 has 30 divisors (see below), whose sum is σ = 594622470. Its totient is φ = 70823424.
The previous prime is 212470361. The next prime is 212470417. The reversal of 212470416 is 614074212.
212470416 is a `hidden beast` number, since 2 + 1 + 247 + 0 + 416 = 666.
It can be written as a sum of positive squares in only one way, i.e., 198810000 + 13660416 = 14100^2 + 3696^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 212470416.
It is not an unprimeable number, because it can be changed into a prime (212470417) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 737601 + ... + 737888.
It is an arithmetic number, because the mean of its divisors is an integer number (19820749).
Almost surely, 2212470416 is an apocalyptic number.
It is an amenable number.
212470416 is an abundant number, since it is smaller than the sum of its proper divisors (382152054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212470416 is a wasteful number, since it uses less digits than its factorization.
212470416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1475503 (or 1475494 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 212470416 is about 14576.3649789651. The cubic root of 212470416 is about 596.7139021241.
The spelling of 212470416 in words is "two hundred twelve million, four hundred seventy thousand, four hundred sixteen".
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