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240026442 = 2340004407
BaseRepresentation
bin11100100111010…
…00001101001010
3121201122121101020
432103220031022
5442421321232
635452333310
75643122355
oct1623501512
9551577336
10240026442
11113541467
1268474236
133a95cba6
1423c4129c
1516113e2c
hexe4e834a

240026442 has 8 divisors (see below), whose sum is σ = 480052896. Its totient is φ = 80008812.

The previous prime is 240026431. The next prime is 240026443. The reversal of 240026442 is 244620042.

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

240026442 is an admirable number.

It is a super-2 number, since 2×2400264422 = 115225385718358728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (240026443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20002198 + ... + 20002209.

It is an arithmetic number, because the mean of its divisors is an integer number (60006612).

Almost surely, 2240026442 is an apocalyptic number.

240026442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240026442 is a wasteful number, since it uses less digits than its factorization.

240026442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004412.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240026442 is about 15492.7867732051. The cubic root of 240026442 is about 621.4693229754.

Adding to 240026442 its reverse (244620042), we get a palindrome (484646484).

The spelling of 240026442 in words is "two hundred forty million, twenty-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 40004407 80008814 120013221 240026442