Base | Representation |
---|---|
bin | 10010010111000… |
… | …010111100001001 |
3 | 210110121121102111 |
4 | 102113002330021 |
5 | 1112323444431 |
6 | 50322102321 |
7 | 10430136160 |
oct | 2227027411 |
9 | 713547374 |
10 | 308031241 |
11 | 14896a481 |
12 | 871aa9a1 |
13 | 4ba8050b |
14 | 2cca43d7 |
15 | 1c0987b1 |
hex | 125c2f09 |
308031241 has 4 divisors (see below), whose sum is σ = 352035712. Its totient is φ = 264026772.
The previous prime is 308031223. The next prime is 308031247. The reversal of 308031241 is 142130803.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 308031241 - 25 = 308031209 is a prime.
It is not an unprimeable number, because it can be changed into a prime (308031247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22002225 + ... + 22002238.
It is an arithmetic number, because the mean of its divisors is an integer number (88008928).
Almost surely, 2308031241 is an apocalyptic number.
It is an amenable number.
308031241 is a deficient number, since it is larger than the sum of its proper divisors (44004471).
308031241 is an equidigital number, since it uses as much as digits as its factorization.
308031241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44004470.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 308031241 is about 17550.8188128076. The cubic root of 308031241 is about 675.3541742594.
The spelling of 308031241 in words is "three hundred eight million, thirty-one thousand, two hundred forty-one".
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