Base | Representation |
---|---|
bin | 1000011011110010101101 |
3 | 11011022220111 |
4 | 20123302231 |
5 | 1031222424 |
6 | 115220021 |
7 | 24536014 |
oct | 10336255 |
9 | 4138814 |
10 | 2210989 |
11 | 1280170 |
12 | 8a7611 |
13 | 5c54a1 |
14 | 417a7b |
15 | 2da194 |
hex | 21bcad |
2210989 has 12 divisors (see below), whose sum is σ = 2508480. Its totient is φ = 1932560.
The previous prime is 2210987. The next prime is 2210993. The reversal of 2210989 is 9890122.
It is not a de Polignac number, because 2210989 - 21 = 2210987 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 2210989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210983) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9132 + ... + 9370.
It is an arithmetic number, because the mean of its divisors is an integer number (209040).
22210989 is an apocalyptic number.
2210989 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2210989 is a deficient number, since it is larger than the sum of its proper divisors (297491).
2210989 is a wasteful number, since it uses less digits than its factorization.
2210989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308 (or 279 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 31.
The square root of 2210989 is about 1486.9394742221. The cubic root of 2210989 is about 130.2753336050.
It can be divided in two parts, 22 and 10989, that added together give a palindrome (11011).
The spelling of 2210989 in words is "two million, two hundred ten thousand, nine hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •