Base | Representation |
---|---|
bin | 11011100010100… |
… | …11111010011000 |
3 | 121002201120011101 |
4 | 31301103322120 |
5 | 433120433144 |
6 | 34531441144 |
7 | 5503504042 |
oct | 1561237230 |
9 | 532646141 |
10 | 231030424 |
11 | 109457639 |
12 | 654561b4 |
13 | 38b302c1 |
14 | 2297ca92 |
15 | 154386d4 |
hex | dc53e98 |
231030424 has 32 divisors (see below), whose sum is σ = 463474800. Its totient is φ = 107637120.
The previous prime is 231030413. The next prime is 231030433. The reversal of 231030424 is 424030132.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3187 + ... + 21730.
Almost surely, 2231030424 is an apocalyptic number.
It is an amenable number.
231030424 is an abundant number, since it is smaller than the sum of its proper divisors (232444376).
231030424 is a wasteful number, since it uses less digits than its factorization.
231030424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25003 (or 24999 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
The square root of 231030424 is about 15199.6849967360. The cubic root of 231030424 is about 613.6061800635.
Adding to 231030424 its reverse (424030132), we get a palindrome (655060556).
The spelling of 231030424 in words is "two hundred thirty-one million, thirty thousand, four hundred twenty-four".
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