Base | Representation |
---|---|
bin | 10010001100001… |
… | …011010001101100 |
3 | 210021020211201210 |
4 | 102030023101230 |
5 | 1111111304204 |
6 | 50141034420 |
7 | 10364000604 |
oct | 2214132154 |
9 | 707224653 |
10 | 305181804 |
11 | 1472a3674 |
12 | 86255a10 |
13 | 4b2c3565 |
14 | 2c761c04 |
15 | 1bbd4389 |
hex | 1230b46c |
305181804 has 12 divisors (see below), whose sum is σ = 712090904. Its totient is φ = 101727264.
The previous prime is 305181757. The next prime is 305181817. The reversal of 305181804 is 408181503.
305181804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (12).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12715897 + ... + 12715920.
Almost surely, 2305181804 is an apocalyptic number.
It is an amenable number.
305181804 is an abundant number, since it is smaller than the sum of its proper divisors (406909100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
305181804 is a wasteful number, since it uses less digits than its factorization.
305181804 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25431824 (or 25431822 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 305181804 is about 17469.4534545303. The cubic root of 305181804 is about 673.2652696180.
The spelling of 305181804 in words is "three hundred five million, one hundred eighty-one thousand, eight hundred four".
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