Base | Representation |
---|---|
bin | 10111001011010… |
… | …000101101101100 |
3 | 1000002122111202111 |
4 | 113023100231230 |
5 | 1244014444022 |
6 | 102325533404 |
7 | 12430661236 |
oct | 2713205554 |
9 | 1002574674 |
10 | 388828012 |
11 | 18a535271 |
12 | aa274264 |
13 | 6272c461 |
14 | 398d7256 |
15 | 24208477 |
hex | 172d0b6c |
388828012 has 12 divisors (see below), whose sum is σ = 720475560. Its totient is φ = 182977856.
The previous prime is 388827991. The next prime is 388828019. The reversal of 388828012 is 210828883.
It is not an unprimeable number, because it can be changed into a prime (388828019) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2858962 + ... + 2859097.
It is an arithmetic number, because the mean of its divisors is an integer number (60039630).
Almost surely, 2388828012 is an apocalyptic number.
It is an amenable number.
388828012 is a deficient number, since it is larger than the sum of its proper divisors (331647548).
388828012 is a wasteful number, since it uses less digits than its factorization.
388828012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5718080 (or 5718078 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 40.
The square root of 388828012 is about 19718.7223724054. The cubic root of 388828012 is about 729.8817673033.
The spelling of 388828012 in words is "three hundred eighty-eight million, eight hundred twenty-eight thousand, twelve".
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