Base | Representation |
---|---|
bin | 11001001011010… |
… | …00000100111000 |
3 | 112201101120022112 |
4 | 30211220010320 |
5 | 413031040242 |
6 | 32542311452 |
7 | 5143041332 |
oct | 1445500470 |
9 | 481346275 |
10 | 211190072 |
11 | a9236255 |
12 | 5a888588 |
13 | 349a4752 |
14 | 20096452 |
15 | 13819c82 |
hex | c968138 |
211190072 has 16 divisors (see below), whose sum is σ = 396138600. Its totient is φ = 105553120.
The previous prime is 211190069. The next prime is 211190137. The reversal of 211190072 is 270091112.
It is a super-2 number, since 2×2111900722 = 89202493022730368, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30554 + ... + 36822.
Almost surely, 2211190072 is an apocalyptic number.
It is an amenable number.
211190072 is a deficient number, since it is larger than the sum of its proper divisors (184948528).
211190072 is a wasteful number, since it uses less digits than its factorization.
211190072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10486 (or 10482 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 23.
The square root of 211190072 is about 14532.3801216456. The cubic root of 211190072 is about 595.5128896833.
The spelling of 211190072 in words is "two hundred eleven million, one hundred ninety thousand, seventy-two".
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