Base | Representation |
---|---|
bin | 111010110000… |
… | …0001111111000 |
3 | 2010221221200111 |
4 | 1311200033320 |
5 | 30341143221 |
6 | 3020114104 |
7 | 522551323 |
oct | 165401770 |
9 | 63857614 |
10 | 30802936 |
11 | 1642977a |
12 | a395934 |
13 | 64c65b8 |
14 | 413b7ba |
15 | 2a86be1 |
hex | 1d603f8 |
30802936 has 16 divisors (see below), whose sum is σ = 57815640. Its totient is φ = 15385440.
The previous prime is 30802903. The next prime is 30802973. The reversal of 30802936 is 63920803.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30802898 and 30802907.
It is a congruent number.
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 3 ways as a sum of consecutive naturals, for example, 11571 + ... + 13981.
Almost surely, 230802936 is an apocalyptic number.
It is an amenable number.
30802936 is a deficient number, since it is larger than the sum of its proper divisors (27012704).
30802936 is a wasteful number, since it uses less digits than its factorization.
30802936 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4014 (or 4010 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 31.
The square root of 30802936 is about 5550.0392791403. The cubic root of 30802936 is about 313.4710013223.
The spelling of 30802936 in words is "thirty million, eight hundred two thousand, nine hundred thirty-six".
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