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248485 = 549697
BaseRepresentation
bin111100101010100101
3110121212011
4330222211
530422420
65154221
72053306
oct745245
9417764
10248485
1115a766
12bb971
1389143
14667ad
154d95a
hex3caa5

248485 has 4 divisors (see below), whose sum is σ = 298188. Its totient is φ = 198784.

The previous prime is 248483. The next prime is 248509. The reversal of 248485 is 584842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31329 + 217156 = 177^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 248485 - 21 = 248483 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24844 + ... + 24853.

It is an arithmetic number, because the mean of its divisors is an integer number (74547).

2248485 is an apocalyptic number.

It is an amenable number.

248485 is a deficient number, since it is larger than the sum of its proper divisors (49703).

248485 is an equidigital number, since it uses as much as digits as its factorization.

248485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49702.

The product of its digits is 10240, while the sum is 31.

The square root of 248485 is about 498.4826977940. The cubic root of 248485 is about 62.8685425507.

The spelling of 248485 in words is "two hundred forty-eight thousand, four hundred eighty-five".

Divisors: 1 5 49697 248485