Base | Representation |
---|---|
bin | 10010011000010… |
… | …110010000100000 |
3 | 210111020221120011 |
4 | 102120112100200 |
5 | 1112420410022 |
6 | 50333254304 |
7 | 10433060140 |
oct | 2230262040 |
9 | 714227504 |
10 | 308372512 |
11 | 149082918 |
12 | 87334394 |
13 | 4bb6c956 |
14 | 2cd52920 |
15 | 1c114977 |
hex | 12616420 |
308372512 has 48 divisors (see below), whose sum is σ = 695241792. Its totient is φ = 131892480.
The previous prime is 308372483. The next prime is 308372551. The reversal of 308372512 is 215273803.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142962 + ... + 145102.
It is an arithmetic number, because the mean of its divisors is an integer number (14484204).
Almost surely, 2308372512 is an apocalyptic number.
308372512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
308372512 is an abundant number, since it is smaller than the sum of its proper divisors (386869280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308372512 is a wasteful number, since it uses less digits than its factorization.
308372512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2801 (or 2793 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 31.
The square root of 308372512 is about 17560.5384883266. The cubic root of 308372512 is about 675.6034928343.
The spelling of 308372512 in words is "three hundred eight million, three hundred seventy-two thousand, five hundred twelve".
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