Base | Representation |
---|---|
bin | 111010010001… |
… | …0011110110000 |
3 | 2010111002122010 |
4 | 1310202132300 |
5 | 30310044221 |
6 | 3010442520 |
7 | 520445604 |
oct | 164423660 |
9 | 63432563 |
10 | 30549936 |
11 | 1627668a |
12 | a293440 |
13 | 64383b1 |
14 | 40b3504 |
15 | 2a36c76 |
hex | 1d227b0 |
30549936 has 40 divisors (see below), whose sum is σ = 79280640. Its totient is φ = 10136896.
The previous prime is 30549919. The next prime is 30549941. The reversal of 30549936 is 63994503.
It is a junction number, because it is equal to n+sod(n) for n = 30549894 and 30549903.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10141 + ... + 12803.
It is an arithmetic number, because the mean of its divisors is an integer number (1982016).
Almost surely, 230549936 is an apocalyptic number.
It is an amenable number.
30549936 is an abundant number, since it is smaller than the sum of its proper divisors (48730704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30549936 is a wasteful number, since it uses less digits than its factorization.
30549936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2913 (or 2907 counting only the distinct ones).
The product of its (nonzero) digits is 87480, while the sum is 39.
The square root of 30549936 is about 5527.1996526270. The cubic root of 30549936 is about 312.6104092001.
The spelling of 30549936 in words is "thirty million, five hundred forty-nine thousand, nine hundred thirty-six".
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