Base | Representation |
---|---|
bin | 100111100010… |
… | …1100011011111 |
3 | 1110000022010120 |
4 | 1033011203133 |
5 | 20301412002 |
6 | 2020210023 |
7 | 341135343 |
oct | 117054337 |
9 | 43008116 |
10 | 20732127 |
11 | 10780399 |
12 | 6b39913 |
13 | 43ab740 |
14 | 2a79623 |
15 | 1c47cbc |
hex | 13c58df |
20732127 has 16 divisors (see below), whose sum is σ = 30048480. Its totient is φ = 12638592.
The previous prime is 20732119. The next prime is 20732141. The reversal of 20732127 is 72123702.
It is not a de Polignac number, because 20732127 - 23 = 20732119 is a prime.
It is a super-3 number, since 3×207321273 (a number of 23 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20732097 and 20732106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20732627) 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, 1813 + ... + 6689.
It is an arithmetic number, because the mean of its divisors is an integer number (1878030).
Almost surely, 220732127 is an apocalyptic number.
20732127 is a deficient number, since it is larger than the sum of its proper divisors (9316353).
20732127 is a wasteful number, since it uses less digits than its factorization.
20732127 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5002.
The product of its (nonzero) digits is 1176, while the sum is 24.
The square root of 20732127 is about 4553.2545503189. The cubic root of 20732127 is about 274.7143126792.
Adding to 20732127 its reverse (72123702), we get a palindrome (92855829).
The spelling of 20732127 in words is "twenty million, seven hundred thirty-two thousand, one hundred twenty-seven".
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