Base | Representation |
---|---|
bin | 11011011010111… |
… | …01100100110000 |
3 | 121000211022002000 |
4 | 31231131210300 |
5 | 432341141144 |
6 | 34454054000 |
7 | 5462102253 |
oct | 1555354460 |
9 | 530738060 |
10 | 230021424 |
11 | 108928556 |
12 | 6504a300 |
13 | 38868c69 |
14 | 2279909a |
15 | 152d9769 |
hex | db5d930 |
230021424 has 80 divisors (see below), whose sum is σ = 699107040. Its totient is φ = 72161280.
The previous prime is 230021419. The next prime is 230021437. The reversal of 230021424 is 424120032.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 230021397 and 230021406.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8317 + ... + 23004.
It is an arithmetic number, because the mean of its divisors is an integer number (8738838).
Almost surely, 2230021424 is an apocalyptic number.
230021424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
230021424 is an abundant number, since it is smaller than the sum of its proper divisors (469085616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230021424 is a wasteful number, since it uses less digits than its factorization.
230021424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31355 (or 31343 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 230021424 is about 15166.4572000187. The cubic root of 230021424 is about 612.7115905924.
Adding to 230021424 its reverse (424120032), we get a palindrome (654141456).
The spelling of 230021424 in words is "two hundred thirty million, twenty-one thousand, four hundred twenty-four".
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