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248423 = 7231543
BaseRepresentation
bin111100101001100111
3110121202212
4330221213
530422143
65154035
72053160
oct745147
9417685
10248423
1115a70a
12bb91b
13890c6
1466767
154d918
hex3ca67

248423 has 8 divisors (see below), whose sum is σ = 296448. Its totient is φ = 203544.

The previous prime is 248407. The next prime is 248431. The reversal of 248423 is 324842.

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

It is a cyclic number.

It is not a de Polignac number, because 248423 - 24 = 248407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

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, 611 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (37056).

2248423 is an apocalyptic number.

248423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

248423 is a deficient number, since it is larger than the sum of its proper divisors (48025).

248423 is a wasteful number, since it uses less digits than its factorization.

248423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573.

The product of its digits is 1536, while the sum is 23.

The square root of 248423 is about 498.4205051962. The cubic root of 248423 is about 62.8633132963.

248423 divided by its sum of digits (23) gives a palindrome (10801).

The spelling of 248423 in words is "two hundred forty-eight thousand, four hundred twenty-three".

Divisors: 1 7 23 161 1543 10801 35489 248423