Base | Representation |
---|---|
bin | 101111011110… |
… | …0110000010101 |
3 | 1201211120012021 |
4 | 1132330300111 |
5 | 22332443024 |
6 | 2245253141 |
7 | 421364506 |
oct | 136746025 |
9 | 51746167 |
10 | 24890389 |
11 | 13060577 |
12 | 84041b1 |
13 | 5206354 |
14 | 343cbad |
15 | 22b9de4 |
hex | 17bcc15 |
24890389 has 8 divisors (see below), whose sum is σ = 25420320. Its totient is φ = 24364176.
The previous prime is 24890377. The next prime is 24890413. The reversal of 24890389 is 98309842.
It is a happy number.
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 24890389 - 29 = 24889877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (24890189) 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, 15582 + ... + 17104.
It is an arithmetic number, because the mean of its divisors is an integer number (3177540).
Almost surely, 224890389 is an apocalyptic number.
It is an amenable number.
24890389 is a deficient number, since it is larger than the sum of its proper divisors (529931).
24890389 is a wasteful number, since it uses less digits than its factorization.
24890389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1859.
The product of its (nonzero) digits is 124416, while the sum is 43.
The square root of 24890389 is about 4989.0268590177. The cubic root of 24890389 is about 291.9738084032.
The spelling of 24890389 in words is "twenty-four million, eight hundred ninety thousand, three hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •