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240536113 = 317758789
BaseRepresentation
bin11100101011001…
…00101000110001
3121202121111111221
432111210220301
5443034123423
635511305041
75650344316
oct1625445061
9552544457
10240536113
1111385a384
126867b181
133aaaab7c
1423d34d0d
15161b4e5d
hexe564a31

240536113 has 4 divisors (see below), whose sum is σ = 241295220. Its totient is φ = 239777008.

The previous prime is 240536071. The next prime is 240536123. The reversal of 240536113 is 311635042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311635042 = 2155817521.

It can be written as a sum of positive squares in 2 ways, for example, as 49322529 + 191213584 = 7023^2 + 13828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240536113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240536123) 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, 379078 + ... + 379711.

It is an arithmetic number, because the mean of its divisors is an integer number (60323805).

Almost surely, 2240536113 is an apocalyptic number.

It is an amenable number.

240536113 is a deficient number, since it is larger than the sum of its proper divisors (759107).

240536113 is an equidigital number, since it uses as much as digits as its factorization.

240536113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759106.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 240536113 is about 15509.2267054164. The cubic root of 240536113 is about 621.9088869963.

The spelling of 240536113 in words is "two hundred forty million, five hundred thirty-six thousand, one hundred thirteen".

Divisors: 1 317 758789 240536113