Base | Representation |
---|---|
bin | 11011100010100… |
… | …10000110111000 |
3 | 121002201012000121 |
4 | 31301102012320 |
5 | 433120214112 |
6 | 34531343024 |
7 | 5503443352 |
oct | 1561220670 |
9 | 532635017 |
10 | 231023032 |
11 | 109452029 |
12 | 65451a74 |
13 | 38b29b26 |
14 | 2297a0d2 |
15 | 15436407 |
hex | dc521b8 |
231023032 has 16 divisors (see below), whose sum is σ = 434102760. Its totient is φ = 115262304.
The previous prime is 231023021. The next prime is 231023041. The reversal of 231023032 is 230320132.
It is a junction number, because it is equal to n+sod(n) for n = 231022997 and 231023015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27183 + ... + 34654.
Almost surely, 2231023032 is an apocalyptic number.
It is an amenable number.
231023032 is a deficient number, since it is larger than the sum of its proper divisors (203079728).
231023032 is a wasteful number, since it uses less digits than its factorization.
231023032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62310 (or 62306 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 16.
The square root of 231023032 is about 15199.4418318569. The cubic root of 231023032 is about 613.5996357230.
Adding to 231023032 its reverse (230320132), we get a palindrome (461343164).
The spelling of 231023032 in words is "two hundred thirty-one million, twenty-three thousand, thirty-two".
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