Base | Representation |
---|---|
bin | 111010110101… |
… | …1111001100100 |
3 | 2011001101011001 |
4 | 1311223321210 |
5 | 30344210120 |
6 | 3021123044 |
7 | 523140421 |
oct | 165537144 |
9 | 64041131 |
10 | 30850660 |
11 | 16461615 |
12 | a3b9484 |
13 | 6512239 |
14 | 4150d48 |
15 | 2a95e0a |
hex | 1d6be64 |
30850660 has 12 divisors (see below), whose sum is σ = 64786428. Its totient is φ = 12340256.
The previous prime is 30850649. The next prime is 30850667. The reversal of 30850660 is 6605803.
It can be written as a sum of positive squares in 2 ways, for example, as 3873024 + 26977636 = 1968^2 + 5194^2 .
It is not an unprimeable number, because it can be changed into a prime (30850667) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771247 + ... + 771286.
It is an arithmetic number, because the mean of its divisors is an integer number (5398869).
Almost surely, 230850660 is an apocalyptic number.
It is an amenable number.
30850660 is an abundant number, since it is smaller than the sum of its proper divisors (33935768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30850660 is a wasteful number, since it uses less digits than its factorization.
30850660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1542542 (or 1542540 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 30850660 is about 5554.3370441485. The cubic root of 30850660 is about 313.6328080914.
The spelling of 30850660 in words is "thirty million, eight hundred fifty thousand, six hundred sixty".
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