Base | Representation |
---|---|
bin | 11011100011010… |
… | …00101001010110 |
3 | 121002212212122210 |
4 | 31301220221112 |
5 | 433131142400 |
6 | 34533334250 |
7 | 5504306454 |
oct | 1561505126 |
9 | 532785583 |
10 | 231115350 |
11 | 109505424 |
12 | 65497386 |
13 | 38b5cb5b |
14 | 229a19d4 |
15 | 15453950 |
hex | dc68a56 |
231115350 has 48 divisors (see below), whose sum is σ = 574123968. Its totient is φ = 61527840.
The previous prime is 231115321. The next prime is 231115387. The reversal of 231115350 is 53511132.
231115350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141237 + ... + 142863.
It is an arithmetic number, because the mean of its divisors is an integer number (11960916).
Almost surely, 2231115350 is an apocalyptic number.
231115350 is an abundant number, since it is smaller than the sum of its proper divisors (343008618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231115350 is a wasteful number, since it uses less digits than its factorization.
231115350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2589 (or 2584 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 231115350 is about 15202.4784163636. The cubic root of 231115350 is about 613.6813573693.
Adding to 231115350 its reverse (53511132), we get a palindrome (284626482).
The spelling of 231115350 in words is "two hundred thirty-one million, one hundred fifteen thousand, three hundred fifty".
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