Base | Representation |
---|---|
bin | 11001001101011… |
… | …10011000101010 |
3 | 112201221012100200 |
4 | 30212232120222 |
5 | 413114244213 |
6 | 32552413030 |
7 | 5145351051 |
oct | 1446563052 |
9 | 481835320 |
10 | 211478058 |
11 | a9412660 |
12 | 5a9a7176 |
13 | 34a7585c |
14 | 2012d398 |
15 | 13875273 |
hex | c9ae62a |
211478058 has 48 divisors (see below), whose sum is σ = 503114976. Its totient is φ = 63666720.
The previous prime is 211478027. The next prime is 211478087. The reversal of 211478058 is 850874112.
211478058 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2114780583 (a number of 26 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27685 + ... + 34487.
It is an arithmetic number, because the mean of its divisors is an integer number (10481562).
Almost surely, 2211478058 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211478058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251557488).
211478058 is an abundant number, since it is smaller than the sum of its proper divisors (291636918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211478058 is a wasteful number, since it uses less digits than its factorization.
211478058 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6979 (or 6976 counting only the distinct ones).
The product of its (nonzero) digits is 17920, while the sum is 36.
The square root of 211478058 is about 14542.2851711827. The cubic root of 211478058 is about 595.7834539801.
The spelling of 211478058 in words is "two hundred eleven million, four hundred seventy-eight thousand, fifty-eight".
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