Base | Representation |
---|---|
bin | 111010111000… |
… | …0000101011110 |
3 | 2011002020200002 |
4 | 1311300011132 |
5 | 30400232211 |
6 | 3021334302 |
7 | 523241414 |
oct | 165600536 |
9 | 64066602 |
10 | 30867806 |
11 | 16473492 |
12 | a407392 |
13 | 6519c98 |
14 | 41572b4 |
15 | 2a9b03b |
hex | 1d7015e |
30867806 has 8 divisors (see below), whose sum is σ = 46496160. Its totient is φ = 15369088.
The previous prime is 30867791. The next prime is 30867857. The reversal of 30867806 is 60876803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30867806.
It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 31811 + ... + 32766.
It is an arithmetic number, because the mean of its divisors is an integer number (5812020).
Almost surely, 230867806 is an apocalyptic number.
30867806 is a deficient number, since it is larger than the sum of its proper divisors (15628354).
30867806 is a wasteful number, since it uses less digits than its factorization.
30867806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64818.
The product of its (nonzero) digits is 48384, while the sum is 38.
The square root of 30867806 is about 5555.8803082860. The cubic root of 30867806 is about 313.6909003354.
The spelling of 30867806 in words is "thirty million, eight hundred sixty-seven thousand, eight hundred six".
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