Base | Representation |
---|---|
bin | 100110011100… |
… | …1111001011001 |
3 | 1101221020102222 |
4 | 1030321321121 |
5 | 20130110324 |
6 | 2000033425 |
7 | 333233525 |
oct | 114717131 |
9 | 41836388 |
10 | 20160089 |
11 | 1041a634 |
12 | 6902875 |
13 | 423b261 |
14 | 296ad85 |
15 | 1b8355e |
hex | 1339e59 |
20160089 has 4 divisors (see below), whose sum is σ = 20415360. Its totient is φ = 19904820.
The previous prime is 20160067. The next prime is 20160139. The reversal of 20160089 is 98006102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20160089 - 28 = 20159833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20160289) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127517 + ... + 127674.
It is an arithmetic number, because the mean of its divisors is an integer number (5103840).
Almost surely, 220160089 is an apocalyptic number.
It is an amenable number.
20160089 is a deficient number, since it is larger than the sum of its proper divisors (255271).
20160089 is an equidigital number, since it uses as much as digits as its factorization.
20160089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255270.
The product of its (nonzero) digits is 864, while the sum is 26.
The square root of 20160089 is about 4489.9987750555. The cubic root of 20160089 is about 272.1640851430.
The spelling of 20160089 in words is "twenty million, one hundred sixty thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •