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240442 = 2235227
BaseRepresentation
bin111010101100111010
3110012211021
4322230322
530143232
65053054
72020666
oct725472
9405737
10240442
11154714
12b718a
1385597
14638a6
154b397
hex3ab3a

240442 has 8 divisors (see below), whose sum is σ = 376416. Its totient is φ = 114972.

The previous prime is 240437. The next prime is 240473. The reversal of 240442 is 244042.

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

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 3 ways as a sum of consecutive naturals, for example, 2568 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (47052).

2240442 is an apocalyptic number.

240442 is a deficient number, since it is larger than the sum of its proper divisors (135974).

240442 is a wasteful number, since it uses less digits than its factorization.

240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 240442 is about 490.3488554081. The cubic root of 240442 is about 62.1827766334.

Adding to 240442 its reverse (244042), we get a palindrome (484484).

Subtracting 240442 from its reverse (244042), we obtain a square (3600 = 602).

The spelling of 240442 in words is "two hundred forty thousand, four hundred forty-two", and thus it is an iban number.

Divisors: 1 2 23 46 5227 10454 120221 240442