Base | Representation |
---|---|
bin | 10010010111101… |
… | …011011011111001 |
3 | 210110221000221220 |
4 | 102113223123321 |
5 | 1112344301423 |
6 | 50325422253 |
7 | 10431426600 |
oct | 2227533371 |
9 | 713830856 |
10 | 308197113 |
11 | 148a73064 |
12 | 8726a989 |
13 | 4bb0ab73 |
14 | 2cd08a37 |
15 | 1c0cc9e3 |
hex | 125eb6f9 |
308197113 has 24 divisors (see below), whose sum is σ = 481262400. Its totient is φ = 174918240.
The previous prime is 308197073. The next prime is 308197139. The reversal of 308197113 is 311791803.
It is not a de Polignac number, because 308197113 - 28 = 308196857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (308197163) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14868 + ... + 28938.
It is an arithmetic number, because the mean of its divisors is an integer number (20052600).
Almost surely, 2308197113 is an apocalyptic number.
It is an amenable number.
308197113 is a deficient number, since it is larger than the sum of its proper divisors (173065287).
308197113 is a wasteful number, since it uses less digits than its factorization.
308197113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14237 (or 14230 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 33.
The square root of 308197113 is about 17555.5436543560. The cubic root of 308197113 is about 675.4753765175.
The spelling of 308197113 in words is "three hundred eight million, one hundred ninety-seven thousand, one hundred thirteen".
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