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240540241 = 1633674021
BaseRepresentation
bin11100101011001…
…01101001010001
3121202121201011211
432111211221101
5443034241431
635511340121
75650362334
oct1625455121
9552551154
10240540241
11113862497
1268681641
133aaaca06
1423d3661b
15161b62b1
hexe565a51

240540241 has 8 divisors (see below), whose sum is σ = 242735744. Its totient is φ = 238353840.

The previous prime is 240540229. The next prime is 240540257. The reversal of 240540241 is 142045042.

It is a happy number.

240540241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 240540241 - 221 = 238443089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240540271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57811 + ... + 61831.

It is an arithmetic number, because the mean of its divisors is an integer number (30341968).

Almost surely, 2240540241 is an apocalyptic number.

It is an amenable number.

240540241 is a deficient number, since it is larger than the sum of its proper divisors (2195503).

240540241 is a wasteful number, since it uses less digits than its factorization.

240540241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 240540241 is about 15509.3597869158. The cubic root of 240540241 is about 621.9124446398.

Adding to 240540241 its reverse (142045042), we get a palindrome (382585283).

The spelling of 240540241 in words is "two hundred forty million, five hundred forty thousand, two hundred forty-one".

Divisors: 1 163 367 4021 59821 655423 1475707 240540241