Base | Representation |
---|---|
bin | 111001101101… |
… | …1110100011001 |
3 | 2002221101121110 |
4 | 1303123310121 |
5 | 30221314010 |
6 | 3000330533 |
7 | 515132022 |
oct | 163336431 |
9 | 62841543 |
10 | 30260505 |
11 | 16099190 |
12 | a173a49 |
13 | 6366732 |
14 | 4039c49 |
15 | 29cb120 |
hex | 1cdbd19 |
30260505 has 16 divisors (see below), whose sum is σ = 52818624. Its totient is φ = 14671680.
The previous prime is 30260491. The next prime is 30260513. The reversal of 30260505 is 50506203.
It is not a de Polignac number, because 30260505 - 26 = 30260441 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91534 + ... + 91863.
It is an arithmetic number, because the mean of its divisors is an integer number (3301164).
Almost surely, 230260505 is an apocalyptic number.
It is an amenable number.
30260505 is a deficient number, since it is larger than the sum of its proper divisors (22558119).
30260505 is a wasteful number, since it uses less digits than its factorization.
30260505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183416.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 30260505 is about 5500.9549171030. The cubic root of 30260505 is about 311.6200482508.
Adding to 30260505 its reverse (50506203), we get a palindrome (80766708).
The spelling of 30260505 in words is "thirty million, two hundred sixty thousand, five hundred five".
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