Base | Representation |
---|---|
bin | 100110011010… |
… | …1010100100001 |
3 | 1101220021201202 |
4 | 1030311110201 |
5 | 20124010340 |
6 | 1555410545 |
7 | 333125060 |
oct | 114652441 |
9 | 41807652 |
10 | 20141345 |
11 | 10407544 |
12 | 68b3a55 |
13 | 4232873 |
14 | 29641d7 |
15 | 1b7cc15 |
hex | 1335521 |
20141345 has 16 divisors (see below), whose sum is σ = 29248128. Its totient is φ = 12998400.
The previous prime is 20141321. The next prime is 20141377. The reversal of 20141345 is 54314102.
It is not a de Polignac number, because 20141345 - 28 = 20141089 is a prime.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16331 + ... + 17520.
It is an arithmetic number, because the mean of its divisors is an integer number (1828008).
Almost surely, 220141345 is an apocalyptic number.
It is an amenable number.
20141345 is a deficient number, since it is larger than the sum of its proper divisors (9106783).
20141345 is a wasteful number, since it uses less digits than its factorization.
20141345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33880.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 20141345 is about 4487.9109839657. The cubic root of 20141345 is about 272.0797100944.
Adding to 20141345 its reverse (54314102), we get a palindrome (74455447).
The spelling of 20141345 in words is "twenty million, one hundred forty-one thousand, three hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •