Base | Representation |
---|---|
bin | 11001001101001… |
… | …11100010110000 |
3 | 112201212202220200 |
4 | 30212213202300 |
5 | 413112400112 |
6 | 32552035200 |
7 | 5145203253 |
oct | 1446474260 |
9 | 481782820 |
10 | 211450032 |
11 | a93a35a2 |
12 | 5a992b00 |
13 | 34a65b81 |
14 | 2012309a |
15 | 1386bcdc |
hex | c9a78b0 |
211450032 has 30 divisors (see below), whose sum is σ = 591766812. Its totient is φ = 70483296.
The previous prime is 211450003. The next prime is 211450051. The reversal of 211450032 is 230054112.
Added to its reverse (230054112) it gives a square (441504144 = 210122).
211450032 is a `hidden beast` number, since 211 + 450 + 0 + 3 + 2 = 666.
It is a super-2 number, since 2×2114500322 = 89422232065602048, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 211449987 and 211450014.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734058 + ... + 734345.
Almost surely, 2211450032 is an apocalyptic number.
It is an amenable number.
211450032 is an abundant number, since it is smaller than the sum of its proper divisors (380316780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211450032 is a wasteful number, since it uses less digits than its factorization.
211450032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1468417 (or 1468408 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 211450032 is about 14541.3215355414. The cubic root of 211450032 is about 595.7571342050.
Adding to 211450032 its reverse (230054112), we get a square (441504144 = 210122).
The spelling of 211450032 in words is "two hundred eleven million, four hundred fifty thousand, thirty-two".
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