Base | Representation |
---|---|
bin | 100110011101… |
… | …0101110000110 |
3 | 1101221102001220 |
4 | 1030322232012 |
5 | 20130212322 |
6 | 2000101210 |
7 | 333246414 |
oct | 114725606 |
9 | 41842056 |
10 | 20163462 |
11 | 10422120 |
12 | 6904806 |
13 | 423c957 |
14 | 296c2b4 |
15 | 1b8455c |
hex | 133ab86 |
20163462 has 32 divisors (see below), whose sum is σ = 46583424. Its totient is φ = 5750400.
The previous prime is 20163461. The next prime is 20163463. The reversal of 20163462 is 26436102.
It is an interprime number because it is at equal distance from previous prime (20163461) and next prime (20163463).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20163461) by changing a digit.
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, 7864 + ... + 10107.
It is an arithmetic number, because the mean of its divisors is an integer number (1455732).
Almost surely, 220163462 is an apocalyptic number.
20163462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20163462 is an abundant number, since it is smaller than the sum of its proper divisors (26419962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20163462 is a wasteful number, since it uses less digits than its factorization.
20163462 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18004.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 20163462 is about 4490.3743719205. The cubic root of 20163462 is about 272.1792629573.
Adding to 20163462 its reverse (26436102), we get a palindrome (46599564).
The spelling of 20163462 in words is "twenty million, one hundred sixty-three thousand, four hundred sixty-two".
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