Base | Representation |
---|---|
bin | 100111000011… |
… | …0000111111010 |
3 | 1102112002201212 |
4 | 1032012013322 |
5 | 20220103224 |
6 | 2010443122 |
7 | 336004022 |
oct | 116060772 |
9 | 42462655 |
10 | 20472314 |
11 | 10613175 |
12 | 6a334a2 |
13 | 431a3c5 |
14 | 2a0ca82 |
15 | 1be5d0e |
hex | 13861fa |
20472314 has 8 divisors (see below), whose sum is σ = 31053780. Its totient is φ = 10121056.
The previous prime is 20472299. The next prime is 20472341. The reversal of 20472314 is 41327402.
It can be written as a sum of positive squares in 2 ways, for example, as 20205025 + 267289 = 4495^2 + 517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 20472314.
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 3 ways as a sum of consecutive naturals, for example, 57329 + ... + 57684.
Almost surely, 220472314 is an apocalyptic number.
20472314 is a deficient number, since it is larger than the sum of its proper divisors (10581466).
20472314 is a wasteful number, since it uses less digits than its factorization.
20472314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115104.
The product of its (nonzero) digits is 1344, while the sum is 23.
The square root of 20472314 is about 4524.6341288551. The cubic root of 20472314 is about 273.5619209484.
Adding to 20472314 its reverse (41327402), we get a palindrome (61799716).
The spelling of 20472314 in words is "twenty million, four hundred seventy-two thousand, three hundred fourteen".
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