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240141001 = 475109383
BaseRepresentation
bin11100101000001…
…00001011001001
3121201212102112011
432110010023021
5442434003001
635455015521
75644110352
oct1624041311
9551772464
10240141001
1111360a541
126850a5a1
133a9a0089
1423c70d29
1516137d51
hexe5042c9

240141001 has 4 divisors (see below), whose sum is σ = 245250432. Its totient is φ = 235031572.

The previous prime is 240140993. The next prime is 240141007. The reversal of 240141001 is 100141042.

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: 100141042 = 250070521.

It is a cyclic number.

It is not a de Polignac number, because 240141001 - 23 = 240140993 is a prime.

It is a super-2 number, since 2×2401410012 = 115335400722564002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240141007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554645 + ... + 2554738.

It is an arithmetic number, because the mean of its divisors is an integer number (61312608).

Almost surely, 2240141001 is an apocalyptic number.

It is an amenable number.

240141001 is a deficient number, since it is larger than the sum of its proper divisors (5109431).

240141001 is an equidigital number, since it uses as much as digits as its factorization.

240141001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109430.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 240141001 is about 15496.4835043309. The cubic root of 240141001 is about 621.5681781682.

Adding to 240141001 its reverse (100141042), we get a palindrome (340282043).

The spelling of 240141001 in words is "two hundred forty million, one hundred forty-one thousand, one".

Divisors: 1 47 5109383 240141001