Base | Representation |
---|---|
bin | 101101110100… |
… | …0010001001111 |
3 | 1200012100022101 |
4 | 1123220101033 |
5 | 22122120142 |
6 | 2214455531 |
7 | 411111202 |
oct | 133502117 |
9 | 50170271 |
10 | 24020047 |
11 | 12616687 |
12 | 80645a7 |
13 | 4c9015c |
14 | 3293939 |
15 | 21970b7 |
hex | 16e844f |
24020047 has 4 divisors (see below), whose sum is σ = 25284280. Its totient is φ = 22755816.
The previous prime is 24020011. The next prime is 24020057. The reversal of 24020047 is 74002042.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 24020047 - 211 = 24017999 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1264213 = 24020047 / (2 + 4 + 0 + 2 + 0 + 0 + 4 + 7).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24020057) 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, 632088 + ... + 632125.
It is an arithmetic number, because the mean of its divisors is an integer number (6321070).
Almost surely, 224020047 is an apocalyptic number.
24020047 is a deficient number, since it is larger than the sum of its proper divisors (1264233).
24020047 is a wasteful number, since it uses less digits than its factorization.
24020047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1264232.
The product of its (nonzero) digits is 448, while the sum is 19.
The square root of 24020047 is about 4901.0250968547. The cubic root of 24020047 is about 288.5302049800.
Adding to 24020047 its reverse (74002042), we get a palindrome (98022089).
The spelling of 24020047 in words is "twenty-four million, twenty thousand, forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •