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240141241 = 713382271
BaseRepresentation
bin11100101000001…
…00001110111001
3121201212102212001
432110010032321
5442434004431
635455021001
75644111144
oct1624041671
9551772761
10240141241
1111360a73a
126850a761
133a9a0212
1423c7105b
1516137e61
hexe5043b9

240141241 has 4 divisors (see below), whose sum is σ = 243523584. Its totient is φ = 236758900.

The previous prime is 240141173. The next prime is 240141259. The reversal of 240141241 is 142141042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142141042 = 271070521.

It is a cyclic number.

It is not a de Polignac number, because 240141241 - 29 = 240140729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240541241) 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, 1691065 + ... + 1691206.

It is an arithmetic number, because the mean of its divisors is an integer number (60880896).

Almost surely, 2240141241 is an apocalyptic number.

It is an amenable number.

240141241 is a deficient number, since it is larger than the sum of its proper divisors (3382343).

240141241 is an equidigital number, since it uses as much as digits as its factorization.

240141241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382342.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 240141241 is about 15496.4912480213. The cubic root of 240141241 is about 621.5683852359.

Adding to 240141241 its reverse (142141042), we get a palindrome (382282283).

The spelling of 240141241 in words is "two hundred forty million, one hundred forty-one thousand, two hundred forty-one".

Divisors: 1 71 3382271 240141241