Base | Representation |
---|---|
bin | 111001011000… |
… | …0100111001010 |
3 | 2002121101211211 |
4 | 1302300213022 |
5 | 30200133110 |
6 | 2552443334 |
7 | 513464041 |
oct | 162604712 |
9 | 62541754 |
10 | 30083530 |
11 | 15a88224 |
12 | a0a954a |
13 | 6304009 |
14 | 3dd1558 |
15 | 299398a |
hex | 1cb09ca |
30083530 has 8 divisors (see below), whose sum is σ = 54150372. Its totient is φ = 12033408.
The previous prime is 30083509. The next prime is 30083533. The reversal of 30083530 is 3538003.
It can be written as a sum of positive squares in 2 ways, for example, as 29278921 + 804609 = 5411^2 + 897^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30083533) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504167 + ... + 1504186.
Almost surely, 230083530 is an apocalyptic number.
30083530 is a deficient number, since it is larger than the sum of its proper divisors (24066842).
30083530 is a wasteful number, since it uses less digits than its factorization.
30083530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3008360.
The product of its (nonzero) digits is 1080, while the sum is 22.
The square root of 30083530 is about 5484.8454855173. The cubic root of 30083530 is about 311.0113690560.
The spelling of 30083530 in words is "thirty million, eighty-three thousand, five hundred thirty".
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