Base | Representation |
---|---|
bin | 10010010111101… |
… | …001111001111001 |
3 | 210110220201100121 |
4 | 102113221321321 |
5 | 1112344101331 |
6 | 50325333241 |
7 | 10431402400 |
oct | 2227517171 |
9 | 713821317 |
10 | 308190841 |
11 | 148a69382 |
12 | 87267221 |
13 | 4bb0805a |
14 | 2cd06637 |
15 | 1c0cac11 |
hex | 125e9e79 |
308190841 has 24 divisors (see below), whose sum is σ = 380933280. Its totient is φ = 247750272.
The previous prime is 308190833. The next prime is 308190893. The reversal of 308190841 is 148091803.
It is a happy number.
It is not a de Polignac number, because 308190841 - 23 = 308190833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 308190797 and 308190806.
It is not an unprimeable number, because it can be changed into a prime (308190941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348586 + ... + 349468.
It is an arithmetic number, because the mean of its divisors is an integer number (15872220).
Almost surely, 2308190841 is an apocalyptic number.
It is an amenable number.
308190841 is a deficient number, since it is larger than the sum of its proper divisors (72742439).
308190841 is a wasteful number, since it uses less digits than its factorization.
308190841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1333 (or 1326 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 308190841 is about 17555.3650204147. The cubic root of 308190841 is about 675.4707943739.
The spelling of 308190841 in words is "three hundred eight million, one hundred ninety thousand, eight hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •