Base | Representation |
---|---|
bin | 111010010001… |
… | …0011111001000 |
3 | 2010111002200000 |
4 | 1310202133020 |
5 | 30310044320 |
6 | 3010443000 |
7 | 520445640 |
oct | 164423710 |
9 | 63432600 |
10 | 30549960 |
11 | 16276701 |
12 | a293460 |
13 | 64383cc |
14 | 40b3520 |
15 | 2a36c90 |
hex | 1d227c8 |
30549960 has 192 divisors, whose sum is σ = 117936000. Its totient is φ = 6967296.
The previous prime is 30549947. The next prime is 30549971. The reversal of 30549960 is 6994503.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67816 + ... + 68264.
It is an arithmetic number, because the mean of its divisors is an integer number (614250).
Almost surely, 230549960 is an apocalyptic number.
30549960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30549960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968000).
30549960 is an abundant number, since it is smaller than the sum of its proper divisors (87386040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30549960 is a wasteful number, since it uses less digits than its factorization.
30549960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 482 (or 466 counting only the distinct ones).
The product of its (nonzero) digits is 29160, while the sum is 36.
The square root of 30549960 is about 5527.2018237079. The cubic root of 30549960 is about 312.6104910622.
The spelling of 30549960 in words is "thirty million, five hundred forty-nine thousand, nine hundred sixty".
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