Base | Representation |
---|---|
bin | 100110110001… |
… | …0101101101010 |
3 | 1102020201210000 |
4 | 1031202231222 |
5 | 20200433044 |
6 | 2003403430 |
7 | 334531122 |
oct | 115425552 |
9 | 42221700 |
10 | 20327274 |
11 | 10524200 |
12 | 6983576 |
13 | 4299396 |
14 | 29b1c82 |
15 | 1bb7d69 |
hex | 1362b6a |
20327274 has 120 divisors (see below), whose sum is σ = 53879364. Its totient is φ = 5702400.
The previous prime is 20327273. The next prime is 20327287. The reversal of 20327274 is 47272302.
It can be written as a sum of positive squares in 2 ways, for example, as 19847025 + 480249 = 4455^2 + 693^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (20327273) 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 59 ways as a sum of consecutive naturals, for example, 333204 + ... + 333264.
Almost surely, 220327274 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20327274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26939682).
20327274 is an abundant number, since it is smaller than the sum of its proper divisors (33552090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20327274 is a wasteful number, since it uses less digits than its factorization.
20327274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 20327274 is about 4508.5778245473. The cubic root of 20327274 is about 272.9143554557.
Adding to 20327274 its reverse (47272302), we get a palindrome (67599576).
The spelling of 20327274 in words is "twenty million, three hundred twenty-seven thousand, two hundred seventy-four".
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