Base | Representation |
---|---|
bin | 111001111010… |
… | …0010000110110 |
3 | 2010010110221210 |
4 | 1303310100312 |
5 | 30233020010 |
6 | 3002422250 |
7 | 516026646 |
oct | 163642066 |
9 | 63113853 |
10 | 30360630 |
11 | 16157433 |
12 | a201986 |
13 | 63a0191 |
14 | 4064526 |
15 | 29eab20 |
hex | 1cf4436 |
30360630 has 32 divisors (see below), whose sum is σ = 73094400. Its totient is φ = 8070752.
The previous prime is 30360611. The next prime is 30360643. The reversal of 30360630 is 3606303.
It is a junction number, because it is equal to n+sod(n) for n = 30360597 and 30360606.
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 15 ways as a sum of consecutive naturals, for example, 9361 + ... + 12179.
It is an arithmetic number, because the mean of its divisors is an integer number (2284200).
Almost surely, 230360630 is an apocalyptic number.
30360630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30360630 is an abundant number, since it is smaller than the sum of its proper divisors (42733770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30360630 is a wasteful number, since it uses less digits than its factorization.
30360630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3188.
The product of its (nonzero) digits is 972, while the sum is 21.
The square root of 30360630 is about 5510.0480941640. The cubic root of 30360630 is about 311.9633627262.
Adding to 30360630 its reverse (3606303), we get a palindrome (33966933).
The spelling of 30360630 in words is "thirty million, three hundred sixty thousand, six hundred thirty".
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