Base | Representation |
---|---|
bin | 10111001001101… |
… | …110000011011000 |
3 | 1000001212222102020 |
4 | 113021232003120 |
5 | 1243414031041 |
6 | 102313134440 |
7 | 12424356120 |
oct | 2711560330 |
9 | 1001788366 |
10 | 388423896 |
11 | 18a289693 |
12 | aa0ba420 |
13 | 6261a533 |
14 | 3982dc80 |
15 | 24178866 |
hex | 1726e0d8 |
388423896 has 64 divisors (see below), whose sum is σ = 1111918080. Its totient is φ = 110764800.
The previous prime is 388423877. The next prime is 388423901. The reversal of 388423896 is 698324883.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99045 + ... + 102891.
It is an arithmetic number, because the mean of its divisors is an integer number (17373720).
Almost surely, 2388423896 is an apocalyptic number.
It is an amenable number.
388423896 is an abundant number, since it is smaller than the sum of its proper divisors (723494184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388423896 is a wasteful number, since it uses less digits than its factorization.
388423896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4464 (or 4460 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 51.
The square root of 388423896 is about 19708.4726957722. The cubic root of 388423896 is about 729.6288198690.
The spelling of 388423896 in words is "three hundred eighty-eight million, four hundred twenty-three thousand, eight hundred ninety-six".
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