Base | Representation |
---|---|
bin | 100110011001… |
… | …1000110110011 |
3 | 1101212211021211 |
4 | 1030303012303 |
5 | 20123213100 |
6 | 1555300551 |
7 | 333056452 |
oct | 114630663 |
9 | 41784254 |
10 | 20132275 |
11 | 10400749 |
12 | 68aa757 |
13 | 422b6b7 |
14 | 2960b99 |
15 | 1b7a1ba |
hex | 13331b3 |
20132275 has 12 divisors (see below), whose sum is σ = 25389000. Its totient is φ = 15831680.
The previous prime is 20132251. The next prime is 20132297. The reversal of 20132275 is 57223102.
It is not a de Polignac number, because 20132275 - 25 = 20132243 is a prime.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 5350 + ... + 8299.
It is an arithmetic number, because the mean of its divisors is an integer number (2115750).
Almost surely, 220132275 is an apocalyptic number.
20132275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20132275 is a deficient number, since it is larger than the sum of its proper divisors (5256725).
20132275 is a wasteful number, since it uses less digits than its factorization.
20132275 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13718 (or 13713 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 20132275 is about 4486.9003777664. The cubic root of 20132275 is about 272.0388632114.
Adding to 20132275 its reverse (57223102), we get a palindrome (77355377).
The spelling of 20132275 in words is "twenty million, one hundred thirty-two thousand, two hundred seventy-five".
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