Base | Representation |
---|---|
bin | 10010001100001… |
… | …111010001111001 |
3 | 210021021200020002 |
4 | 102030033101321 |
5 | 1111112320301 |
6 | 50141242345 |
7 | 10364066450 |
oct | 2214172171 |
9 | 707250202 |
10 | 305198201 |
11 | 147304a20 |
12 | 862633b5 |
13 | 4b2cab69 |
14 | 2c767b97 |
15 | 1bbd916b |
hex | 1230f479 |
305198201 has 16 divisors (see below), whose sum is σ = 397052928. Its totient is φ = 227475600.
The previous prime is 305198183. The next prime is 305198227. The reversal of 305198201 is 102891503.
It is not a de Polignac number, because 305198201 - 210 = 305197177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (305198261) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84395 + ... + 87936.
It is an arithmetic number, because the mean of its divisors is an integer number (24815808).
Almost surely, 2305198201 is an apocalyptic number.
It is an amenable number.
305198201 is a deficient number, since it is larger than the sum of its proper divisors (91854727).
305198201 is a wasteful number, since it uses less digits than its factorization.
305198201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172372.
The product of its (nonzero) digits is 2160, while the sum is 29.
The square root of 305198201 is about 17469.9227531206. The cubic root of 305198201 is about 673.2773272754.
The spelling of 305198201 in words is "three hundred five million, one hundred ninety-eight thousand, two hundred one".
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