Base | Representation |
---|---|
bin | 100110001101… |
… | …0101010000010 |
3 | 1101200201220202 |
4 | 1030122222002 |
5 | 20112012010 |
6 | 1553205202 |
7 | 332161466 |
oct | 114325202 |
9 | 41621822 |
10 | 20032130 |
11 | 10342488 |
12 | 6860802 |
13 | 41c4c41 |
14 | 29364a6 |
15 | 1b5a6a5 |
hex | 131aa82 |
20032130 has 8 divisors (see below), whose sum is σ = 36057852. Its totient is φ = 8012848.
The previous prime is 20032097. The next prime is 20032141. The reversal of 20032130 is 3123002.
It can be written as a sum of positive squares in 2 ways, for example, as 19864849 + 167281 = 4457^2 + 409^2 .
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, 1001597 + ... + 1001616.
Almost surely, 220032130 is an apocalyptic number.
20032130 is a deficient number, since it is larger than the sum of its proper divisors (16025722).
20032130 is a wasteful number, since it uses less digits than its factorization.
20032130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2003220.
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 20032130 is about 4475.7267566285. The cubic root of 20032130 is about 271.5870409535.
Adding to 20032130 its reverse (3123002), we get a palindrome (23155132).
The spelling of 20032130 in words is "twenty million, thirty-two thousand, one hundred thirty".
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