Base | Representation |
---|---|
bin | 11011100010101… |
… | …10101111111100 |
3 | 121002202011002202 |
4 | 31301112233330 |
5 | 433121321134 |
6 | 34532011032 |
7 | 5503552652 |
oct | 1561265774 |
9 | 532664082 |
10 | 231042044 |
11 | 109465342 |
12 | 65460a78 |
13 | 38b3568c |
14 | 22982dd2 |
15 | 1543bd7e |
hex | dc56bfc |
231042044 has 12 divisors (see below), whose sum is σ = 404539464. Its totient is φ = 115459344.
The previous prime is 231042041. The next prime is 231042059. The reversal of 231042044 is 440240132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231042041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407 + ... + 22430.
It is an arithmetic number, because the mean of its divisors is an integer number (33711622).
Almost surely, 2231042044 is an apocalyptic number.
It is an amenable number.
231042044 is a deficient number, since it is larger than the sum of its proper divisors (173497420).
231042044 is a wasteful number, since it uses less digits than its factorization.
231042044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30844 (or 30842 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 231042044 is about 15200.0672366934. The cubic root of 231042044 is about 613.6164672862.
Adding to 231042044 its reverse (440240132), we get a palindrome (671282176).
The spelling of 231042044 in words is "two hundred thirty-one million, forty-two thousand, forty-four".
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