Base | Representation |
---|---|
bin | 100111111000… |
… | …1111101010010 |
3 | 1110100112121200 |
4 | 1033301331102 |
5 | 20323222002 |
6 | 2024132030 |
7 | 342523524 |
oct | 117617522 |
9 | 43315550 |
10 | 20914002 |
11 | 10894aaa |
12 | 7007016 |
13 | 4443465 |
14 | 2ac5a14 |
15 | 1c81b1c |
hex | 13f1f52 |
20914002 has 24 divisors (see below), whose sum is σ = 45573840. Its totient is φ = 6931320.
The previous prime is 20914001. The next prime is 20914027. The reversal of 20914002 is 20041902.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (20914001) 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, 24 + ... + 6467.
It is an arithmetic number, because the mean of its divisors is an integer number (1898910).
Almost surely, 220914002 is an apocalyptic number.
20914002 is an abundant number, since it is smaller than the sum of its proper divisors (24659838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20914002 is a wasteful number, since it uses less digits than its factorization.
20914002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6678 (or 6675 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 20914002 is about 4573.1829178374. The cubic root of 20914002 is about 275.5152960920.
Adding to 20914002 its reverse (20041902), we get a palindrome (40955904).
The spelling of 20914002 in words is "twenty million, nine hundred fourteen thousand, two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •