Base | Representation |
---|---|
bin | 10010001101000… |
… | …111110111110001 |
3 | 210021201110012021 |
4 | 102031013313301 |
5 | 1111142230001 |
6 | 50150231441 |
7 | 10366053322 |
oct | 2215076761 |
9 | 707643167 |
10 | 305430001 |
11 | 147453098 |
12 | 86355581 |
13 | 4b37c516 |
14 | 2c7c8449 |
15 | 1bc32ba1 |
hex | 12347df1 |
305430001 has 8 divisors (see below), whose sum is σ = 320414400. Its totient is φ = 290742480.
The previous prime is 305429983. The next prime is 305430023. The reversal of 305430001 is 100034503.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 305430001 - 211 = 305427953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (305430061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72111 + ... + 76228.
It is an arithmetic number, because the mean of its divisors is an integer number (40051800).
Almost surely, 2305430001 is an apocalyptic number.
It is an amenable number.
305430001 is a deficient number, since it is larger than the sum of its proper divisors (14984399).
305430001 is a wasteful number, since it uses less digits than its factorization.
305430001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148439.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 305430001 is about 17476.5557533514. Note that the first 3 decimals coincide. The cubic root of 305430001 is about 673.4477369629.
Adding to 305430001 its reverse (100034503), we get a palindrome (405464504).
The spelling of 305430001 in words is "three hundred five million, four hundred thirty thousand, one".
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