Base | Representation |
---|---|
bin | 100111011100… |
… | …0000111101001 |
3 | 1102220111122102 |
4 | 1032320013221 |
5 | 20243131342 |
6 | 2015103145 |
7 | 340516040 |
oct | 116700751 |
9 | 42814572 |
10 | 20677097 |
11 | 10743011 |
12 | 6b11ab5 |
13 | 438c68c |
14 | 2a63557 |
15 | 1c36832 |
hex | 13b81e9 |
20677097 has 8 divisors (see below), whose sum is σ = 23736000. Its totient is φ = 17644464.
The previous prime is 20677091. The next prime is 20677099. The reversal of 20677097 is 79077602.
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 20677097 - 224 = 3899881 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20677097.
It is not an unprimeable number, because it can be changed into a prime (20677091) 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 7 ways as a sum of consecutive naturals, for example, 4847 + ... + 8052.
It is an arithmetic number, because the mean of its divisors is an integer number (2967000).
Almost surely, 220677097 is an apocalyptic number.
It is an amenable number.
20677097 is a deficient number, since it is larger than the sum of its proper divisors (3058903).
20677097 is a wasteful number, since it uses less digits than its factorization.
20677097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13135.
The product of its (nonzero) digits is 37044, while the sum is 38.
The square root of 20677097 is about 4547.2076046734. The cubic root of 20677097 is about 274.4710360801.
The spelling of 20677097 in words is "twenty million, six hundred seventy-seven thousand, ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •