Base | Representation |
---|---|
bin | 111010111010… |
… | …0100110000011 |
3 | 2011010012000010 |
4 | 1311310212003 |
5 | 30401330100 |
6 | 3022000003 |
7 | 523346310 |
oct | 165644603 |
9 | 64105003 |
10 | 30886275 |
11 | 16486352 |
12 | a416003 |
13 | 6525504 |
14 | 415dd07 |
15 | 2aa1750 |
hex | 1d74983 |
30886275 has 24 divisors (see below), whose sum is σ = 58361344. Its totient is φ = 14119200.
The previous prime is 30886249. The next prime is 30886279. The reversal of 30886275 is 57268803.
It is not a de Polignac number, because 30886275 - 27 = 30886147 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30886279) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 28891 + ... + 29940.
Almost surely, 230886275 is an apocalyptic number.
30886275 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30886275 is a deficient number, since it is larger than the sum of its proper divisors (27475069).
30886275 is a wasteful number, since it uses less digits than its factorization.
30886275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58851 (or 58846 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 30886275 is about 5557.5421725795. The cubic root of 30886275 is about 313.7534509655.
The spelling of 30886275 in words is "thirty million, eight hundred eighty-six thousand, two hundred seventy-five".
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