Base | Representation |
---|---|
bin | 111010110000… |
… | …0101110000011 |
3 | 2010222001100000 |
4 | 1311200232003 |
5 | 30341223432 |
6 | 3020131043 |
7 | 522560052 |
oct | 165405603 |
9 | 63861300 |
10 | 30804867 |
11 | 16430175 |
12 | a396a83 |
13 | 64c7442 |
14 | 413c399 |
15 | 2a8757c |
hex | 1d60b83 |
30804867 has 24 divisors (see below), whose sum is σ = 48864816. Its totient is φ = 19325952.
The previous prime is 30804859. The next prime is 30804877. The reversal of 30804867 is 76840803.
It is not a de Polignac number, because 30804867 - 23 = 30804859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30804827) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403 + ... + 7859.
It is an arithmetic number, because the mean of its divisors is an integer number (2036034).
Almost surely, 230804867 is an apocalyptic number.
30804867 is a deficient number, since it is larger than the sum of its proper divisors (18059949).
30804867 is an equidigital number, since it uses as much as digits as its factorization.
30804867 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7489 (or 7477 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 30804867 is about 5550.2132391468. The cubic root of 30804867 is about 313.4775515622.
The spelling of 30804867 in words is "thirty million, eight hundred four thousand, eight hundred sixty-seven".
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