Base | Representation |
---|---|
bin | 11011100010101… |
… | …00100100001111 |
3 | 121002201200211121 |
4 | 31301110210033 |
5 | 433121024403 |
6 | 34531501411 |
7 | 5503514620 |
oct | 1561244417 |
9 | 532650747 |
10 | 231033103 |
11 | 109459654 |
12 | 65457867 |
13 | 38b315a2 |
14 | 2297da47 |
15 | 154393bd |
hex | dc5490f |
231033103 has 16 divisors (see below), whose sum is σ = 279665920. Its totient is φ = 186437376.
The previous prime is 231033097. The next prime is 231033107. The reversal of 231033103 is 301330132.
231033103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231033103 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 (231033107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16351 + ... + 27007.
It is an arithmetic number, because the mean of its divisors is an integer number (17479120).
Almost surely, 2231033103 is an apocalyptic number.
231033103 is a deficient number, since it is larger than the sum of its proper divisors (48632817).
231033103 is a wasteful number, since it uses less digits than its factorization.
231033103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10846.
The product of its (nonzero) digits is 162, while the sum is 16.
The square root of 231033103 is about 15199.7731233068. The cubic root of 231033103 is about 613.6085518213.
Adding to 231033103 its reverse (301330132), we get a palindrome (532363235).
The spelling of 231033103 in words is "two hundred thirty-one million, thirty-three thousand, one hundred three".
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