Base | Representation |
---|---|
bin | 10111001001101… |
… | …101101100011000 |
3 | 1000001212220101201 |
4 | 113021231230120 |
5 | 1243414004144 |
6 | 102313123544 |
7 | 12424351615 |
oct | 2711555430 |
9 | 1001786351 |
10 | 388422424 |
11 | 18a288575 |
12 | aa0b95b4 |
13 | 62619970 |
14 | 3982d50c |
15 | 241781d4 |
hex | 1726db18 |
388422424 has 32 divisors (see below), whose sum is σ = 787817520. Its totient is φ = 178471296.
The previous prime is 388422421. The next prime is 388422427. The reversal of 388422424 is 424224883.
It is an interprime number because it is at equal distance from previous prime (388422421) and next prime (388422427).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (388422421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15382 + ... + 31834.
Almost surely, 2388422424 is an apocalyptic number.
It is an amenable number.
388422424 is an abundant number, since it is smaller than the sum of its proper divisors (399395096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388422424 is a wasteful number, since it uses less digits than its factorization.
388422424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16699 (or 16695 counting only the distinct ones).
The product of its digits is 98304, while the sum is 37.
The square root of 388422424 is about 19708.4353513921. The cubic root of 388422424 is about 729.6278981827.
The spelling of 388422424 in words is "three hundred eighty-eight million, four hundred twenty-two thousand, four hundred twenty-four".
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