Base | Representation |
---|---|
bin | 100110001101… |
… | …0001100000010 |
3 | 1101200122021122 |
4 | 1030122030002 |
5 | 20111431320 |
6 | 1553152242 |
7 | 332153054 |
oct | 114321402 |
9 | 41618248 |
10 | 20030210 |
11 | 10340aa2 |
12 | 685b682 |
13 | 41c40c5 |
14 | 29358d4 |
15 | 1b59d25 |
hex | 131a302 |
20030210 has 8 divisors (see below), whose sum is σ = 36054396. Its totient is φ = 8012080.
The previous prime is 20030207. The next prime is 20030239. The reversal of 20030210 is 1203002.
It can be written as a sum of positive squares in 2 ways, for example, as 18861649 + 1168561 = 4343^2 + 1081^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001501 + ... + 1001520.
Almost surely, 220030210 is an apocalyptic number.
20030210 is a deficient number, since it is larger than the sum of its proper divisors (16024186).
20030210 is a wasteful number, since it uses less digits than its factorization.
20030210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2003028.
The product of its (nonzero) digits is 12, while the sum is 8.
The square root of 20030210 is about 4475.5122611831. The cubic root of 20030210 is about 271.5783638304.
Adding to 20030210 its reverse (1203002), we get a palindrome (21233212).
The spelling of 20030210 in words is "twenty million, thirty thousand, two hundred ten".
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