Base | Representation |
---|---|
bin | 100111111110… |
… | …1010101100011 |
3 | 1110102220112221 |
4 | 1033331111203 |
5 | 20331214421 |
6 | 2025131511 |
7 | 343106440 |
oct | 117752543 |
9 | 43386487 |
10 | 20960611 |
11 | 10917021 |
12 | 7029b97 |
13 | 445b739 |
14 | 2ad89c7 |
15 | 1c90841 |
hex | 13fd563 |
20960611 has 8 divisors (see below), whose sum is σ = 24602720. Its totient is φ = 17480448.
The previous prime is 20960581. The next prime is 20960623. The reversal of 20960611 is 11606902.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20960611 - 25 = 20960579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20960911) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40206 + ... + 40723.
It is an arithmetic number, because the mean of its divisors is an integer number (3075340).
Almost surely, 220960611 is an apocalyptic number.
20960611 is a deficient number, since it is larger than the sum of its proper divisors (3642109).
20960611 is an equidigital number, since it uses as much as digits as its factorization.
20960611 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80973.
The product of its (nonzero) digits is 648, while the sum is 25.
The square root of 20960611 is about 4578.2759855649. The cubic root of 20960611 is about 275.7198156080.
The spelling of 20960611 in words is "twenty million, nine hundred sixty thousand, six hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •