Base | Representation |
---|---|
bin | 1001010011101101101111 |
3 | 11120222010010 |
4 | 21103231233 |
5 | 1111040142 |
6 | 124144303 |
7 | 26511561 |
oct | 11235557 |
9 | 4528103 |
10 | 2440047 |
11 | 1417275 |
12 | 998093 |
13 | 67581c |
14 | 477331 |
15 | 332e9c |
hex | 253b6f |
2440047 has 8 divisors (see below), whose sum is σ = 3394944. Its totient is φ = 1555928.
The previous prime is 2440043. The next prime is 2440049. The reversal of 2440047 is 7400442.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2440047 - 22 = 2440043 is a prime.
It is a plaindrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2440043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17613 + ... + 17750.
It is an arithmetic number, because the mean of its divisors is an integer number (424368).
22440047 is an apocalyptic number.
2440047 is a deficient number, since it is larger than the sum of its proper divisors (954897).
2440047 is a wasteful number, since it uses less digits than its factorization.
2440047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35389.
The product of its (nonzero) digits is 896, while the sum is 21.
The square root of 2440047 is about 1562.0649794423. The cubic root of 2440047 is about 134.6271743437.
Adding to 2440047 its reverse (7400442), we get a palindrome (9840489).
The spelling of 2440047 in words is "two million, four hundred forty thousand, forty-seven".
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