Base | Representation |
---|---|
bin | 11011100100000… |
… | …11001011101100 |
3 | 121010002101202111 |
4 | 31302003023230 |
5 | 433143132134 |
6 | 34535533404 |
7 | 5505241402 |
oct | 1562031354 |
9 | 533071674 |
10 | 231224044 |
11 | 10957a057 |
12 | 6552a264 |
13 | 38b9a47c |
14 | 229cd472 |
15 | 15475c64 |
hex | dc832ec |
231224044 has 12 divisors (see below), whose sum is σ = 404762904. Its totient is φ = 115577504.
The previous prime is 231223999. The next prime is 231224113. The reversal of 231224044 is 440422132.
It is a happy number.
231224044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11832 + ... + 24544.
It is an arithmetic number, because the mean of its divisors is an integer number (33730242).
Almost surely, 2231224044 is an apocalyptic number.
It is an amenable number.
231224044 is a deficient number, since it is larger than the sum of its proper divisors (173538860).
231224044 is a wasteful number, since it uses less digits than its factorization.
231224044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17264 (or 17262 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 231224044 is about 15206.0528737737. The cubic root of 231224044 is about 613.7775474712. Note that the first 3 decimals are identical.
Adding to 231224044 its reverse (440422132), we get a palindrome (671646176).
The spelling of 231224044 in words is "two hundred thirty-one million, two hundred twenty-four thousand, forty-four".
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