Base | Representation |
---|---|
bin | 111001011001… |
… | …0000001101000 |
3 | 2002121200210021 |
4 | 1302302001220 |
5 | 30200324240 |
6 | 2552530224 |
7 | 513516652 |
oct | 162620150 |
9 | 62550707 |
10 | 30089320 |
11 | 15a91608 |
12 | a0b0974 |
13 | 6306841 |
14 | 3dd36d2 |
15 | 299554a |
hex | 1cb2068 |
30089320 has 32 divisors (see below), whose sum is σ = 71685000. Its totient is φ = 11327488.
The previous prime is 30089309. The next prime is 30089321. The reversal of 30089320 is 2398003.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 19027044 + 11062276 = 4362^2 + 3326^2 .
It is not an unprimeable number, because it can be changed into a prime (30089321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21445 + ... + 22804.
Almost surely, 230089320 is an apocalyptic number.
It is an amenable number.
30089320 is an abundant number, since it is smaller than the sum of its proper divisors (41595680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30089320 is a wasteful number, since it uses less digits than its factorization.
30089320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44277 (or 44273 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 25.
The square root of 30089320 is about 5485.3732780915. The cubic root of 30089320 is about 311.0313206188.
The spelling of 30089320 in words is "thirty million, eighty-nine thousand, three hundred twenty".
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