Base | Representation |
---|---|
bin | 11001001101011… |
… | …01011110001000 |
3 | 112201221000012221 |
4 | 30212231132020 |
5 | 413114134222 |
6 | 32552343424 |
7 | 5145334120 |
oct | 1446553610 |
9 | 481830187 |
10 | 211474312 |
11 | a940a865 |
12 | 5a9a4b74 |
13 | 34a73c3a |
14 | 2012bc80 |
15 | 138740c7 |
hex | c9ad788 |
211474312 has 64 divisors (see below), whose sum is σ = 475683840. Its totient is φ = 86227200.
The previous prime is 211474309. The next prime is 211474327. The reversal of 211474312 is 213474112.
211474312 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-4 number, since 4×2114743124 (a number of 34 digits) contains 4444 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104898 + ... + 106894.
It is an arithmetic number, because the mean of its divisors is an integer number (7432560).
Almost surely, 2211474312 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 211474312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237841920).
211474312 is an abundant number, since it is smaller than the sum of its proper divisors (264209528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211474312 is a wasteful number, since it uses less digits than its factorization.
211474312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2102 (or 2098 counting only the distinct ones).
The product of its digits is 1344, while the sum is 25.
The square root of 211474312 is about 14542.1563737982. The cubic root of 211474312 is about 595.7799361715.
The spelling of 211474312 in words is "two hundred eleven million, four hundred seventy-four thousand, three hundred twelve".
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