Base | Representation |
---|---|
bin | 1010101110011… |
… | …11110010001011 |
3 | 20021022110102012 |
4 | 11113033302023 |
5 | 141013330133 |
6 | 12532330135 |
7 | 2141550326 |
oct | 527176213 |
9 | 207273365 |
10 | 89980043 |
11 | 4687837a |
12 | 2617394b |
13 | 15845b3a |
14 | bd437bd |
15 | 7d75b48 |
hex | 55cfc8b |
89980043 has 4 divisors (see below), whose sum is σ = 91894560. Its totient is φ = 88065528.
The previous prime is 89980027. The next prime is 89980087. The reversal of 89980043 is 34008998.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34008998 = 2 ⋅17004499.
It is a cyclic number.
It is not a de Polignac number, because 89980043 - 24 = 89980027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (89980003) 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, 957188 + ... + 957281.
It is an arithmetic number, because the mean of its divisors is an integer number (22973640).
Almost surely, 289980043 is an apocalyptic number.
89980043 is a deficient number, since it is larger than the sum of its proper divisors (1914517).
89980043 is a wasteful number, since it uses less digits than its factorization.
89980043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1914516.
The product of its (nonzero) digits is 62208, while the sum is 41.
The square root of 89980043 is about 9485.7810959351. The cubic root of 89980043 is about 448.1073479868.
The spelling of 89980043 in words is "eighty-nine million, nine hundred eighty thousand, forty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •