Base | Representation |
---|---|
bin | 11101000001100… |
… | …00011101100010 |
3 | 121222010110111011 |
4 | 32200300131202 |
5 | 444311440010 |
6 | 40054211134 |
7 | 6014305423 |
oct | 1640603542 |
9 | 558113434 |
10 | 243468130 |
11 | 115482234 |
12 | 69653aaa |
13 | 3b5965a9 |
14 | 2449964a |
15 | 16593a8a |
hex | e830762 |
243468130 has 16 divisors (see below), whose sum is σ = 438420600. Its totient is φ = 97347712.
The previous prime is 243468077. The next prime is 243468139. The reversal of 243468130 is 31864342.
It can be written as a sum of positive squares in 4 ways, for example, as 242767561 + 700569 = 15581^2 + 837^2 .
It is a junction number, because it is equal to n+sod(n) for n = 243468092 and 243468101.
It is not an unprimeable number, because it can be changed into a prime (243468139) 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, 43872 + ... + 49108.
Almost surely, 2243468130 is an apocalyptic number.
243468130 is a deficient number, since it is larger than the sum of its proper divisors (194952470).
243468130 is a wasteful number, since it uses less digits than its factorization.
243468130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9893.
The product of its (nonzero) digits is 13824, while the sum is 31.
The square root of 243468130 is about 15603.4653202422. The cubic root of 243468130 is about 624.4256098833.
The spelling of 243468130 in words is "two hundred forty-three million, four hundred sixty-eight thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •