Base | Representation |
---|---|
bin | 11011011011110… |
… | …11111000010000 |
3 | 121001001121100100 |
4 | 31231323320100 |
5 | 432404124202 |
6 | 34500452400 |
7 | 5463130200 |
oct | 1555737020 |
9 | 531047310 |
10 | 230145552 |
11 | 108a0283a |
12 | 650aa100 |
13 | 388b0600 |
14 | 227cc400 |
15 | 1531141c |
hex | db7be10 |
230145552 has 270 divisors, whose sum is σ = 815516442. Its totient is φ = 60383232.
The previous prime is 230145523. The next prime is 230145583. The reversal of 230145552 is 255541032.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 4064256 + 226081296 = 2016^2 + 15036^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1192368 + ... + 1192560.
Almost surely, 2230145552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 230145552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407758221).
230145552 is an abundant number, since it is smaller than the sum of its proper divisors (585370890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230145552 is a wasteful number, since it uses less digits than its factorization.
230145552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247 (or 218 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 230145552 is about 15170.5488364792. The cubic root of 230145552 is about 612.8217846582.
Adding to 230145552 its reverse (255541032), we get a palindrome (485686584).
The spelling of 230145552 in words is "two hundred thirty million, one hundred forty-five thousand, five hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •