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248493 = 3711833
BaseRepresentation
bin111100101010101101
3110121212110
4330222231
530422433
65154233
72053320
oct745255
9417773
10248493
1115a773
12bb979
138914b
14667b7
154d963
hex3caad

248493 has 8 divisors (see below), whose sum is σ = 378688. Its totient is φ = 141984.

The previous prime is 248483. The next prime is 248509. The reversal of 248493 is 394842.

It is a happy number.

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

It is not a de Polignac number, because 248493 - 24 = 248477 is a prime.

It is a Duffinian number.

248493 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 248493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248473) by changing a digit.

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, 5896 + ... + 5937.

It is an arithmetic number, because the mean of its divisors is an integer number (47336).

2248493 is an apocalyptic number.

It is an amenable number.

248493 is a deficient number, since it is larger than the sum of its proper divisors (130195).

248493 is a wasteful number, since it uses less digits than its factorization.

248493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843.

The product of its digits is 6912, while the sum is 30.

The square root of 248493 is about 498.4907220802. The cubic root of 248493 is about 62.8692172298.

It can be divided in two parts, 24849 and 3, that multiplied together give a palindrome (74547).

The spelling of 248493 in words is "two hundred forty-eight thousand, four hundred ninety-three".

Divisors: 1 3 7 21 11833 35499 82831 248493