Base | Representation |
---|---|
bin | 111010110000… |
… | …0101011110011 |
3 | 2010222001010200 |
4 | 1311200223303 |
5 | 30341222343 |
6 | 3020130243 |
7 | 522556455 |
oct | 165405363 |
9 | 63861120 |
10 | 30804723 |
11 | 16430054 |
12 | a396983 |
13 | 64c7361 |
14 | 413c2d5 |
15 | 2a874d3 |
hex | 1d60af3 |
30804723 has 6 divisors (see below), whose sum is σ = 44495724. Its totient is φ = 20536476.
The previous prime is 30804691. The next prime is 30804737. The reversal of 30804723 is 32740803.
It is not a de Polignac number, because 30804723 - 25 = 30804691 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30804743) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1711365 + ... + 1711382.
It is an arithmetic number, because the mean of its divisors is an integer number (7415954).
Almost surely, 230804723 is an apocalyptic number.
30804723 is a deficient number, since it is larger than the sum of its proper divisors (13691001).
30804723 is a wasteful number, since it uses less digits than its factorization.
30804723 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3422753 (or 3422750 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 27.
The square root of 30804723 is about 5550.2002666571. The cubic root of 30804723 is about 313.4770631021.
The spelling of 30804723 in words is "thirty million, eight hundred four thousand, seven hundred twenty-three".
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