Base | Representation |
---|---|
bin | 11001001010000… |
… | …11011010110101 |
3 | 112201002221100112 |
4 | 30211003122311 |
5 | 413011234200 |
6 | 32535152405 |
7 | 5141544515 |
oct | 1445033265 |
9 | 481087315 |
10 | 211039925 |
11 | a9143468 |
12 | 5a815705 |
13 | 349512c5 |
14 | 20057845 |
15 | 137da535 |
hex | c9436b5 |
211039925 has 12 divisors (see below), whose sum is σ = 262066560. Its totient is φ = 168588720.
The previous prime is 211039901. The next prime is 211039943. The reversal of 211039925 is 529930112.
211039925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 211039925 - 212 = 211035829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 211039891 and 211039900.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12764 + ... + 24186.
It is an arithmetic number, because the mean of its divisors is an integer number (21838880).
Almost surely, 2211039925 is an apocalyptic number.
211039925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
211039925 is a deficient number, since it is larger than the sum of its proper divisors (51026635).
211039925 is a wasteful number, since it uses less digits than its factorization.
211039925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12172 (or 12167 counting only the distinct ones).
The product of its (nonzero) digits is 4860, while the sum is 32.
The square root of 211039925 is about 14527.2132565059. The cubic root of 211039925 is about 595.3717282621.
The spelling of 211039925 in words is "two hundred eleven million, thirty-nine thousand, nine hundred twenty-five".
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