Base | Representation |
---|---|
bin | 10010011000101… |
… | …110000110010001 |
3 | 210111102220111210 |
4 | 102120232012101 |
5 | 1112432021121 |
6 | 50335330333 |
7 | 10433644626 |
oct | 2230560621 |
9 | 714386453 |
10 | 308470161 |
11 | 14913a21a |
12 | 873809a9 |
13 | 4bba522c |
14 | 2cd7a34d |
15 | 1c133876 |
hex | 1262e191 |
308470161 has 16 divisors (see below), whose sum is σ = 414442944. Its totient is φ = 204079104.
The previous prime is 308470139. The next prime is 308470177. The reversal of 308470161 is 161074803.
It is a happy number.
It is not a de Polignac number, because 308470161 - 29 = 308469649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (308470061) 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, 266961 + ... + 268113.
It is an arithmetic number, because the mean of its divisors is an integer number (25902684).
Almost surely, 2308470161 is an apocalyptic number.
It is an amenable number.
308470161 is a deficient number, since it is larger than the sum of its proper divisors (105972783).
308470161 is a wasteful number, since it uses less digits than its factorization.
308470161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1760.
The product of its (nonzero) digits is 4032, while the sum is 30.
The square root of 308470161 is about 17563.3186214906. The cubic root of 308470161 is about 675.6747973341.
The spelling of 308470161 in words is "three hundred eight million, four hundred seventy thousand, one hundred sixty-one".
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