Base | Representation |
---|---|
bin | 111010101111… |
… | …1001111010110 |
3 | 2010221202000112 |
4 | 1311133033112 |
5 | 30341030211 |
6 | 3020043022 |
7 | 522533303 |
oct | 165371726 |
9 | 63852015 |
10 | 30798806 |
11 | 16426665 |
12 | a393472 |
13 | 64c475c |
14 | 413a0aa |
15 | 2a8588b |
hex | 1d5f3d6 |
30798806 has 16 divisors (see below), whose sum is σ = 47394720. Its totient is φ = 15005760.
The previous prime is 30798787. The next prime is 30798811. The reversal of 30798806 is 60889703.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11420 + ... + 13856.
It is an arithmetic number, because the mean of its divisors is an integer number (2962170).
Almost surely, 230798806 is an apocalyptic number.
30798806 is a deficient number, since it is larger than the sum of its proper divisors (16595914).
30798806 is a wasteful number, since it uses less digits than its factorization.
30798806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2599.
The product of its (nonzero) digits is 72576, while the sum is 41.
The square root of 30798806 is about 5549.6671972290. The cubic root of 30798806 is about 313.4569908278.
The spelling of 30798806 in words is "thirty million, seven hundred ninety-eight thousand, eight hundred six".
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