Base | Representation |
---|---|
bin | 111010100111… |
… | …1001000000001 |
3 | 2010211101110220 |
4 | 1311033020001 |
5 | 30331422201 |
6 | 3014413253 |
7 | 522140001 |
oct | 165171001 |
9 | 63741426 |
10 | 30732801 |
11 | 16391010 |
12 | a361229 |
13 | 64a06b8 |
14 | 4120001 |
15 | 2a71036 |
hex | 1d4f201 |
30732801 has 16 divisors (see below), whose sum is σ = 45167808. Its totient is φ = 18432000.
The previous prime is 30732791. The next prime is 30732809. The reversal of 30732801 is 10823703.
It is not a de Polignac number, because 30732801 - 25 = 30732769 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30732809) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600 + ... + 8001.
It is an arithmetic number, because the mean of its divisors is an integer number (2822988).
Almost surely, 230732801 is an apocalyptic number.
30732801 is the 3201-st octagonal number.
It is an amenable number.
30732801 is a deficient number, since it is larger than the sum of its proper divisors (14435007).
30732801 is a wasteful number, since it uses less digits than its factorization.
30732801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9712.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 30732801 is about 5543.7172546947. The cubic root of 30732801 is about 313.2329071802.
The spelling of 30732801 in words is "thirty million, seven hundred thirty-two thousand, eight hundred one".
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