Base | Representation |
---|---|
bin | 1001000101110101… |
… | …1011011110001101 |
3 | 20022002001201120101 |
4 | 2101131123132031 |
5 | 14444221123041 |
6 | 1042054251101 |
7 | 114322102636 |
oct | 22135333615 |
9 | 6262051511 |
10 | 2440411021 |
11 | 1042603a14 |
12 | 581356a91 |
13 | 2cb7975b9 |
14 | 19217c88d |
15 | e43a9b31 |
hex | 9175b78d |
2440411021 has 4 divisors (see below), whose sum is σ = 2546515872. Its totient is φ = 2334306172.
The previous prime is 2440411009. The next prime is 2440411027. The reversal of 2440411021 is 1201140442.
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 not a de Polignac number, because 2440411021 - 25 = 2440410989 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 2440411021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2440411027) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53052391 + ... + 53052436.
It is an arithmetic number, because the mean of its divisors is an integer number (636628968).
Almost surely, 22440411021 is an apocalyptic number.
It is an amenable number.
2440411021 is a deficient number, since it is larger than the sum of its proper divisors (106104851).
2440411021 is a wasteful number, since it uses less digits than its factorization.
2440411021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106104850.
The product of its (nonzero) digits is 256, while the sum is 19.
The square root of 2440411021 is about 49400.5164041835. The cubic root of 2440411021 is about 1346.3386884336.
Adding to 2440411021 its reverse (1201140442), we get a palindrome (3641551463).
The spelling of 2440411021 in words is "two billion, four hundred forty million, four hundred eleven thousand, twenty-one".
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