Base | Representation |
---|---|
bin | 111010011000… |
… | …0101110010011 |
3 | 2010121001122211 |
4 | 1310300232103 |
5 | 30313431100 |
6 | 3012012551 |
7 | 521110645 |
oct | 164605623 |
9 | 63531584 |
10 | 30608275 |
11 | 163064a5 |
12 | a301157 |
13 | 6458b09 |
14 | 40ca895 |
15 | 2a491ba |
hex | 1d30b93 |
30608275 has 12 divisors (see below), whose sum is σ = 38578384. Its totient is φ = 24084000.
The previous prime is 30608269. The next prime is 30608299. The reversal of 30608275 is 57280603.
It is not a de Polignac number, because 30608275 - 23 = 30608267 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8511 + ... + 11560.
Almost surely, 230608275 is an apocalyptic number.
30608275 is a deficient number, since it is larger than the sum of its proper divisors (7970109).
30608275 is a wasteful number, since it uses less digits than its factorization.
30608275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20142 (or 20137 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 30608275 is about 5532.4745819570. The cubic root of 30608275 is about 312.8092724874.
Adding to 30608275 its reverse (57280603), we get a palindrome (87888878).
The spelling of 30608275 in words is "thirty million, six hundred eight thousand, two hundred seventy-five".
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