Base | Representation |
---|---|
bin | 11101100101110… |
… | …11001110000101 |
3 | 122022002102121221 |
4 | 32302323032011 |
5 | 1002021341124 |
6 | 40344240341 |
7 | 6102632632 |
oct | 1662731605 |
9 | 568072557 |
10 | 248230789 |
11 | 118135514 |
12 | 6b1700b1 |
13 | 3c573331 |
14 | 24d79189 |
15 | 16bd4ce4 |
hex | ecbb385 |
248230789 has 4 divisors (see below), whose sum is σ = 259023456. Its totient is φ = 237438124.
The previous prime is 248230783. The next prime is 248230799. The reversal of 248230789 is 987032842.
It is a happy number.
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 248230789 - 23 = 248230781 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 (248230781) 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, 5396299 + ... + 5396344.
It is an arithmetic number, because the mean of its divisors is an integer number (64755864).
Almost surely, 2248230789 is an apocalyptic number.
It is an amenable number.
248230789 is a deficient number, since it is larger than the sum of its proper divisors (10792667).
248230789 is a wasteful number, since it uses less digits than its factorization.
248230789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10792666.
The product of its (nonzero) digits is 193536, while the sum is 43.
The square root of 248230789 is about 15755.3416021361. The cubic root of 248230789 is about 628.4709614787.
The spelling of 248230789 in words is "two hundred forty-eight million, two hundred thirty thousand, seven hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •