Base | Representation |
---|---|
bin | 111001111010… |
… | …0000111011110 |
3 | 2010010110010120 |
4 | 1303310013132 |
5 | 30233010110 |
6 | 3002415410 |
7 | 516025131 |
oct | 163640736 |
9 | 63113116 |
10 | 30360030 |
11 | 16156a38 |
12 | a201566 |
13 | 639cb1c |
14 | 4064218 |
15 | 29ea870 |
hex | 1cf41de |
30360030 has 32 divisors (see below), whose sum is σ = 73622304. Its totient is φ = 8011776.
The previous prime is 30359999. The next prime is 30360047. The reversal of 30360030 is 3006303.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 30359991 and 30360009.
It is a congruent number.
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, 2307 + ... + 8126.
It is an arithmetic number, because the mean of its divisors is an integer number (2300697).
Almost surely, 230360030 is an apocalyptic number.
30360030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30360030 is an abundant number, since it is smaller than the sum of its proper divisors (43262274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30360030 is a wasteful number, since it uses less digits than its factorization.
30360030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10540.
The product of its (nonzero) digits is 162, while the sum is 15.
The square root of 30360030 is about 5509.9936479092. The cubic root of 30360030 is about 311.9613076607.
Adding to 30360030 its reverse (3006303), we get a palindrome (33366333).
The spelling of 30360030 in words is "thirty million, three hundred sixty thousand, thirty".
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