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250285 = 577151
BaseRepresentation
bin111101000110101101
3110201022211
4331012231
531002120
65210421
72061460
oct750655
9421284
10250285
11161052
12100a11
1389bc9
14672d7
154e25a
hex3d1ad

250285 has 8 divisors (see below), whose sum is σ = 343296. Its totient is φ = 171600.

The previous prime is 250279. The next prime is 250301. The reversal of 250285 is 582052.

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

It is not a de Polignac number, because 250285 - 25 = 250253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3541 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (42912).

2250285 is an apocalyptic number.

It is an amenable number.

250285 is a deficient number, since it is larger than the sum of its proper divisors (93011).

250285 is an equidigital number, since it uses as much as digits as its factorization.

250285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 250285 is about 500.2849188213. The cubic root of 250285 is about 63.0199819038.

It can be divided in two parts, 250 and 285, that added together give a palindrome (535).

The spelling of 250285 in words is "two hundred fifty thousand, two hundred eighty-five".

Divisors: 1 5 7 35 7151 35755 50057 250285