Base | Representation |
---|---|
bin | 11001010011111… |
… | …00001001101010 |
3 | 112210112000111002 |
4 | 30221330021222 |
5 | 413323231444 |
6 | 33022435002 |
7 | 5155461203 |
oct | 1451741152 |
9 | 483460432 |
10 | 212320874 |
11 | a99388a7 |
12 | 5b132a62 |
13 | 34cac36c |
14 | 202ac5aa |
15 | 1398ed4e |
hex | ca7c26a |
212320874 has 16 divisors (see below), whose sum is σ = 331238400. Its totient is φ = 101980944.
The previous prime is 212320859. The next prime is 212320879. The reversal of 212320874 is 478023212.
212320874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2123208742 = 90160307072247752, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212320879) 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, 12314 + ... + 24005.
It is an arithmetic number, because the mean of its divisors is an integer number (20702400).
Almost surely, 2212320874 is an apocalyptic number.
212320874 is a deficient number, since it is larger than the sum of its proper divisors (118917526).
212320874 is a wasteful number, since it uses less digits than its factorization.
212320874 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36437.
The product of its (nonzero) digits is 5376, while the sum is 29.
The square root of 212320874 is about 14571.2344706960. The cubic root of 212320874 is about 596.5738752046.
The spelling of 212320874 in words is "two hundred twelve million, three hundred twenty thousand, eight hundred seventy-four".
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