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241040143 = 1993173821
BaseRepresentation
bin11100101110111…
…11101100001111
3121210120002220201
432113133230033
5443201241033
635530154331
75654543641
oct1627375417
9553502821
10241040143
11114074033
12688829a7
133ac26406
1424026891
151626447d
hexe5dfb0f

241040143 has 8 divisors (see below), whose sum is σ = 243079200. Its totient is φ = 239009760.

The previous prime is 241040119. The next prime is 241040153. The reversal of 241040143 is 341040142.

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 241040143 - 213 = 241031951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241040143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241040153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61173 + ... + 64993.

It is an arithmetic number, because the mean of its divisors is an integer number (30384900).

Almost surely, 2241040143 is an apocalyptic number.

241040143 is a deficient number, since it is larger than the sum of its proper divisors (2039057).

241040143 is a wasteful number, since it uses less digits than its factorization.

241040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 241040143 is about 15525.4675613973. The cubic root of 241040143 is about 622.3429757220.

Adding to 241040143 its reverse (341040142), we get a palindrome (582080285).

Subtracting 241040143 from its reverse (341040142), we obtain a palindrome (99999999).

The spelling of 241040143 in words is "two hundred forty-one million, forty thousand, one hundred forty-three".

Divisors: 1 199 317 3821 63083 760379 1211257 241040143