Base | Representation |
---|---|
bin | 1011110111100111101 |
3 | 201202111122 |
4 | 1132330331 |
5 | 44421200 |
6 | 12200325 |
7 | 3206615 |
oct | 1367475 |
9 | 652448 |
10 | 388925 |
11 | 246229 |
12 | 1690a5 |
13 | 108044 |
14 | a1a45 |
15 | 7a385 |
hex | 5ef3d |
388925 has 12 divisors (see below), whose sum is σ = 494016. Its totient is φ = 303600.
The previous prime is 388903. The next prime is 388931. The reversal of 388925 is 529883.
It is not a de Polignac number, because 388925 - 218 = 126781 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010 + ... + 1340.
It is an arithmetic number, because the mean of its divisors is an integer number (41168).
2388925 is an apocalyptic number.
It is an amenable number.
388925 is a deficient number, since it is larger than the sum of its proper divisors (105091).
388925 is a wasteful number, since it uses less digits than its factorization.
388925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 388 (or 383 counting only the distinct ones).
The product of its digits is 17280, while the sum is 35.
The square root of 388925 is about 623.6385170914. The cubic root of 388925 is about 72.9942448706.
The spelling of 388925 in words is "three hundred eighty-eight thousand, nine hundred twenty-five".
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