Base | Representation |
---|---|
bin | 1000101101010111100 |
3 | 112111110100 |
4 | 1011222330 |
5 | 33112442 |
6 | 10041100 |
7 | 2265663 |
oct | 1055274 |
9 | 474410 |
10 | 285372 |
11 | 18544a |
12 | 119190 |
13 | 9cb79 |
14 | 75dda |
15 | 5984c |
hex | 45abc |
285372 has 18 divisors (see below), whose sum is σ = 721448. Its totient is φ = 95112.
The previous prime is 285343. The next prime is 285377. The reversal of 285372 is 273582.
It is a tau number, because it is divible by the number of its divisors (18).
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285377) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3928 + ... + 3999.
2285372 is an apocalyptic number.
It is an amenable number.
285372 is an abundant number, since it is smaller than the sum of its proper divisors (436076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285372 is a wasteful number, since it uses less digits than its factorization.
285372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7937 (or 7932 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 285372 is about 534.2022089060. The cubic root of 285372 is about 65.8370636495.
The spelling of 285372 in words is "two hundred eighty-five thousand, three hundred seventy-two".
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