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240442443 = 32229116663
BaseRepresentation
bin11100101010011…
…01110001001011
3121202102202000200
432111031301023
5443023124233
635505303243
75646504243
oct1625156113
9552382020
10240442443
111137a5a6a
1268634b23
133aa77347
1423d0cb23
1516197313
hexe54dc4b

240442443 has 12 divisors (see below), whose sum is σ = 348825360. Its totient is φ = 159593616.

The previous prime is 240442439. The next prime is 240442453. The reversal of 240442443 is 344244042.

It is a happy number.

It is not a de Polignac number, because 240442443 - 22 = 240442439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240442403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56271 + ... + 60392.

It is an arithmetic number, because the mean of its divisors is an integer number (29068780).

Almost surely, 2240442443 is an apocalyptic number.

240442443 is a deficient number, since it is larger than the sum of its proper divisors (108382917).

240442443 is a wasteful number, since it uses less digits than its factorization.

240442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116898 (or 116895 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 240442443 is about 15506.2065960698. The cubic root of 240442443 is about 621.8281482274.

Adding to 240442443 its reverse (344244042), we get a palindrome (584686485).

The spelling of 240442443 in words is "two hundred forty million, four hundred forty-two thousand, four hundred forty-three".

Divisors: 1 3 9 229 687 2061 116663 349989 1049967 26715827 80147481 240442443