Base | Representation |
---|---|
bin | 111001010111… |
… | …1110100001001 |
3 | 2002121020100220 |
4 | 1302233310021 |
5 | 30200032030 |
6 | 2552420253 |
7 | 513451365 |
oct | 162576411 |
9 | 62536326 |
10 | 30080265 |
11 | 15a85826 |
12 | a0a7689 |
13 | 6302697 |
14 | 3dd02a5 |
15 | 2992a10 |
hex | 1cafd09 |
30080265 has 32 divisors (see below), whose sum is σ = 50198400. Its totient is φ = 15367680.
The previous prime is 30080233. The next prime is 30080291. The reversal of 30080265 is 56208003.
It is not a de Polignac number, because 30080265 - 25 = 30080233 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35871 + ... + 36699.
It is an arithmetic number, because the mean of its divisors is an integer number (1568700).
Almost surely, 230080265 is an apocalyptic number.
It is an amenable number.
30080265 is a deficient number, since it is larger than the sum of its proper divisors (20118135).
30080265 is a wasteful number, since it uses less digits than its factorization.
30080265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 30080265 is about 5484.5478391568. The cubic root of 30080265 is about 311.0001171755. Note that the first 3 decimals are identical.
Adding to 30080265 its reverse (56208003), we get a palindrome (86288268).
The spelling of 30080265 in words is "thirty million, eighty thousand, two hundred sixty-five".
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