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240221113 = 1121838283
BaseRepresentation
bin11100101000101…
…11101110111001
3121202000111102021
432110113232321
5442444033423
635500434441
75644563046
oct1624275671
9552014367
10240221113
11113664750
1268548a21
133a9ca692
1423c921cd
151615195d
hexe517bb9

240221113 has 4 divisors (see below), whose sum is σ = 262059408. Its totient is φ = 218382820.

The previous prime is 240221083. The next prime is 240221129. The reversal of 240221113 is 311122042.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240221113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240221153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10919131 + ... + 10919152.

It is an arithmetic number, because the mean of its divisors is an integer number (65514852).

Almost surely, 2240221113 is an apocalyptic number.

It is an amenable number.

240221113 is a deficient number, since it is larger than the sum of its proper divisors (21838295).

240221113 is a wasteful number, since it uses less digits than its factorization.

240221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21838294.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 240221113 is about 15499.0681332782. The cubic root of 240221113 is about 621.6372896950.

Adding to 240221113 its reverse (311122042), we get a palindrome (551343155).

The spelling of 240221113 in words is "two hundred forty million, two hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 11 21838283 240221113