Base | Representation |
---|---|
bin | 11011100010100… |
… | …11111010110100 |
3 | 121002201120012102 |
4 | 31301103322310 |
5 | 433120433302 |
6 | 34531441232 |
7 | 5503504112 |
oct | 1561237264 |
9 | 532646172 |
10 | 231030452 |
11 | 109457664 |
12 | 65456218 |
13 | 38b30313 |
14 | 2297cab2 |
15 | 15438702 |
hex | dc53eb4 |
231030452 has 6 divisors (see below), whose sum is σ = 404303298. Its totient is φ = 115515224.
The previous prime is 231030433. The next prime is 231030463. The reversal of 231030452 is 254030132.
It is a happy number.
231030452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 226382116 + 4648336 = 15046^2 + 2156^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28878803 + ... + 28878810.
It is an arithmetic number, because the mean of its divisors is an integer number (67383883).
Almost surely, 2231030452 is an apocalyptic number.
It is an amenable number.
231030452 is a deficient number, since it is larger than the sum of its proper divisors (173272846).
231030452 is a wasteful number, since it uses less digits than its factorization.
231030452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57757617 (or 57757615 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 231030452 is about 15199.6859178076. The cubic root of 231030452 is about 613.6062048524.
Adding to 231030452 its reverse (254030132), we get a palindrome (485060584).
The spelling of 231030452 in words is "two hundred thirty-one million, thirty thousand, four hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •