Base | Representation |
---|---|
bin | 111001101010… |
… | …0100111110000 |
3 | 2002212220011120 |
4 | 1303110213300 |
5 | 30214343044 |
6 | 2555542240 |
7 | 514650045 |
oct | 163244760 |
9 | 62786146 |
10 | 30231024 |
11 | 1607901a |
12 | a15a980 |
13 | 63561a5 |
14 | 402d1cc |
15 | 29c2519 |
hex | 1cd49f0 |
30231024 has 40 divisors (see below), whose sum is σ = 78304512. Its totient is φ = 10050240.
The previous prime is 30231013. The next prime is 30231053. The reversal of 30231024 is 42013203.
It is a junction number, because it is equal to n+sod(n) for n = 30230994 and 30231012.
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 7 ways as a sum of consecutive naturals, for example, 26857 + ... + 27959.
Almost surely, 230231024 is an apocalyptic number.
It is an amenable number.
30231024 is an abundant number, since it is smaller than the sum of its proper divisors (48073488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231024 is a wasteful number, since it uses less digits than its factorization.
30231024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1685 (or 1679 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30231024 is about 5498.2746384661. The cubic root of 30231024 is about 311.5188177782.
Adding to 30231024 its reverse (42013203), we get a palindrome (72244227).
The spelling of 30231024 in words is "thirty million, two hundred thirty-one thousand, twenty-four".
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