Base | Representation |
---|---|
bin | 100101011100… |
… | …0011111001110 |
3 | 1100221022100011 |
4 | 1022320133032 |
5 | 20011130110 |
6 | 1540423434 |
7 | 325565260 |
oct | 112703716 |
9 | 40838304 |
10 | 19630030 |
11 | 10098372 |
12 | 66a7b7a |
13 | 40b3c04 |
14 | 286db30 |
15 | 1acb48a |
hex | 12b87ce |
19630030 has 32 divisors (see below), whose sum is σ = 40618944. Its totient is φ = 6690816.
The previous prime is 19630027. The next prime is 19630031. The reversal of 19630030 is 3003691.
It is a junction number, because it is equal to n+sod(n) for n = 19629983 and 19630010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19630031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12784 + ... + 14236.
It is an arithmetic number, because the mean of its divisors is an integer number (1269342).
Almost surely, 219630030 is an apocalyptic number.
19630030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19630030 is an abundant number, since it is smaller than the sum of its proper divisors (20988914).
19630030 is a wasteful number, since it uses less digits than its factorization.
19630030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1660.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 19630030 is about 4430.5789689385. The cubic root of 19630030 is about 269.7575784728.
The spelling of 19630030 in words is "nineteen million, six hundred thirty thousand, thirty".
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