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248442 = 2347881
BaseRepresentation
bin111100101001111010
3110121210120
4330221322
530422232
65154110
72053215
oct745172
9417716
10248442
1115a727
12bb936
138910c
146677c
154d92c
hex3ca7a

248442 has 16 divisors (see below), whose sum is σ = 508032. Its totient is φ = 80960.

The previous prime is 248441. The next prime is 248447. The reversal of 248442 is 244842.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (248441) 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, 159 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2248442 is an apocalyptic number.

248442 is an abundant number, since it is smaller than the sum of its proper divisors (259590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248442 is a wasteful number, since it uses less digits than its factorization.

248442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its digits is 2048, while the sum is 24.

The square root of 248442 is about 498.4395650427. The cubic root of 248442 is about 62.8649159022.

Subtracting from 248442 its reverse (244842), we obtain a square (3600 = 602).

The spelling of 248442 in words is "two hundred forty-eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 881 1762 2643 5286 41407 82814 124221 248442