Base | Representation |
---|---|
bin | 1011110111100111110 |
3 | 201202111200 |
4 | 1132330332 |
5 | 44421201 |
6 | 12200330 |
7 | 3206616 |
oct | 1367476 |
9 | 652450 |
10 | 388926 |
11 | 24622a |
12 | 1690a6 |
13 | 108045 |
14 | a1a46 |
15 | 7a386 |
hex | 5ef3e |
388926 has 48 divisors (see below), whose sum is σ = 943488. Its totient is φ = 115200.
The previous prime is 388903. The next prime is 388931. The reversal of 388926 is 629883.
388926 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388926.
It is an unprimeable number.
388926 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9466 + ... + 9506.
It is an arithmetic number, because the mean of its divisors is an integer number (19656).
2388926 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 388926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471744).
388926 is an abundant number, since it is smaller than the sum of its proper divisors (554562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388926 is a wasteful number, since it uses less digits than its factorization.
388926 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97 (or 94 counting only the distinct ones).
The product of its digits is 20736, while the sum is 36.
The square root of 388926 is about 623.6393188374. The cubic root of 388926 is about 72.9943074313.
The spelling of 388926 in words is "three hundred eighty-eight thousand, nine hundred twenty-six".
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