Base | Representation |
---|---|
bin | 111001110110… |
… | …0111100011100 |
3 | 2010001221211111 |
4 | 1303230330130 |
5 | 30231040102 |
6 | 3002031404 |
7 | 515543362 |
oct | 163547434 |
9 | 63057744 |
10 | 30330652 |
11 | 16136960 |
12 | a1a8564 |
13 | 638c641 |
14 | 4057632 |
15 | 29e1cd7 |
hex | 1cecf1c |
30330652 has 96 divisors (see below), whose sum is σ = 67060224. Its totient is φ = 11827200.
The previous prime is 30330649. The next prime is 30330653. The reversal of 30330652 is 25603303.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30330653) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705343 + ... + 705385.
It is an arithmetic number, because the mean of its divisors is an integer number (698544).
Almost surely, 230330652 is an apocalyptic number.
It is an amenable number.
30330652 is an abundant number, since it is smaller than the sum of its proper divisors (36729572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330652 is a wasteful number, since it uses less digits than its factorization.
30330652 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139 (or 137 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 22.
The square root of 30330652 is about 5507.3271193929. The cubic root of 30330652 is about 311.8606516666.
Adding to 30330652 its reverse (25603303), we get a palindrome (55933955).
The spelling of 30330652 in words is "thirty million, three hundred thirty thousand, six hundred fifty-two".
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