Base | Representation |
---|---|
bin | 11001010001101… |
… | …01001001100100 |
3 | 112202222020112220 |
4 | 30220311021210 |
5 | 413234430202 |
6 | 33012312340 |
7 | 5153140263 |
oct | 1450651144 |
9 | 482866486 |
10 | 212030052 |
11 | a975a353 |
12 | 5b0126b0 |
13 | 34c09b90 |
14 | 202345da |
15 | 13933abc |
hex | ca35264 |
212030052 has 72 divisors (see below), whose sum is σ = 566098176. Its totient is φ = 61389312.
The previous prime is 212030041. The next prime is 212030053. The reversal of 212030052 is 250030212.
It is a super-2 number, since 2×2120300522 = 89913485902245408, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (212030053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42733 + ... + 47435.
Almost surely, 2212030052 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212030052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283049088).
212030052 is an abundant number, since it is smaller than the sum of its proper divisors (354068124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212030052 is a wasteful number, since it uses less digits than its factorization.
212030052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4757 (or 4738 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 212030052 is about 14561.2517319082. The cubic root of 212030052 is about 596.3013692892.
Adding to 212030052 its reverse (250030212), we get a palindrome (462060264).
The spelling of 212030052 in words is "two hundred twelve million, thirty thousand, fifty-two".
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