Base | Representation |
---|---|
bin | 1000001100000000… |
… | …0011101101011001 |
3 | 12200011121100122020 |
4 | 2003000003231121 |
5 | 14000121033424 |
6 | 1002031045053 |
7 | 105315152031 |
oct | 20300035531 |
9 | 5604540566 |
10 | 2197830489 |
11 | a28688638 |
12 | 514070789 |
13 | 29045201a |
14 | 16bc748c1 |
15 | cce3e079 |
hex | 83003b59 |
2197830489 has 16 divisors (see below), whose sum is σ = 2973619584. Its totient is φ = 1443657600.
The previous prime is 2197830487. The next prime is 2197830521. The reversal of 2197830489 is 9840387912.
It is not a de Polignac number, because 2197830489 - 21 = 2197830487 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2197830487) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534927 + ... + 539019.
It is an arithmetic number, because the mean of its divisors is an integer number (185851224).
Almost surely, 22197830489 is an apocalyptic number.
It is an amenable number.
2197830489 is a deficient number, since it is larger than the sum of its proper divisors (775789095).
2197830489 is a wasteful number, since it uses less digits than its factorization.
2197830489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6688.
The product of its (nonzero) digits is 870912, while the sum is 51.
The square root of 2197830489 is about 46881.0248288153. The cubic root of 2197830489 is about 1300.1637839009.
The spelling of 2197830489 in words is "two billion, one hundred ninety-seven million, eight hundred thirty thousand, four hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •