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240420011 = 1320818887
BaseRepresentation
bin11100101010010…
…00010010101011
3121202101121020212
432111020102223
5443021420021
635505011335
75646351656
oct1625102253
9552347225
10240420011
11113790127
1268623b4b
133aa6a080
1423d0489d
151619085b
hexe5484ab

240420011 has 8 divisors (see below), whose sum is σ = 259067424. Its totient is φ = 221794560.

The previous prime is 240419983. The next prime is 240420071. The reversal of 240420011 is 110024042.

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

It is a de Polignac number, because none of the positive numbers 2k-240420011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240420071) 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 7 ways as a sum of consecutive naturals, for example, 22610 + ... + 31496.

It is an arithmetic number, because the mean of its divisors is an integer number (32383428).

Almost surely, 2240420011 is an apocalyptic number.

240420011 is a deficient number, since it is larger than the sum of its proper divisors (18647413).

240420011 is a wasteful number, since it uses less digits than its factorization.

240420011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 240420011 is about 15505.4832559324. The cubic root of 240420011 is about 621.8088098740.

Adding to 240420011 its reverse (110024042), we get a palindrome (350444053).

The spelling of 240420011 in words is "two hundred forty million, four hundred twenty thousand, eleven".

Divisors: 1 13 2081 8887 27053 115531 18493847 240420011