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285482 = 2349409
BaseRepresentation
bin1000101101100101010
3112111121102
41011230222
533113412
610041402
72266211
oct1055452
9474542
10285482
1118553a
12119262
139cc32
1476078
15598c2
hex45b2a

285482 has 8 divisors (see below), whose sum is σ = 430500. Its totient is φ = 141984.

The previous prime is 285473. The next prime is 285497. The reversal of 285482 is 284582.

It can be written as a sum of positive squares in 2 ways, for example, as 249001 + 36481 = 499^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 902.

2285482 is an apocalyptic number.

285482 is a deficient number, since it is larger than the sum of its proper divisors (145018).

285482 is a wasteful number, since it uses less digits than its factorization.

285482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its digits is 5120, while the sum is 29.

The square root of 285482 is about 534.3051562544. The cubic root of 285482 is about 65.8455217868.

Subtracting from 285482 its reverse (284582), we obtain a square (900 = 302).

It can be divided in two parts, 285 and 482, that added together give a palindrome (767).

The spelling of 285482 in words is "two hundred eighty-five thousand, four hundred eighty-two".

Divisors: 1 2 349 409 698 818 142741 285482