Base | Representation |
---|---|
bin | 101000000011… |
… | …1001111110010 |
3 | 1110111222020022 |
4 | 1100013033302 |
5 | 20334014302 |
6 | 2030043442 |
7 | 343335665 |
oct | 120071762 |
9 | 43458208 |
10 | 21001202 |
11 | 10944572 |
12 | 7049582 |
13 | 4474061 |
14 | 2b096dc |
15 | 1c9c8a2 |
hex | 14073f2 |
21001202 has 16 divisors (see below), whose sum is σ = 32438400. Its totient is φ = 10193040.
The previous prime is 21001187. The next prime is 21001247. The reversal of 21001202 is 20210012.
It is a self number, because there is not a number n which added to its sum of digits gives 21001202.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8549 + ... + 10727.
It is an arithmetic number, because the mean of its divisors is an integer number (2027400).
Almost surely, 221001202 is an apocalyptic number.
21001202 is a deficient number, since it is larger than the sum of its proper divisors (11437198).
21001202 is a wasteful number, since it uses less digits than its factorization.
21001202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2321.
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 21001202 is about 4582.7068420312. The cubic root of 21001202 is about 275.8976813898.
Adding to 21001202 its reverse (20210012), we get a palindrome (41211214).
The spelling of 21001202 in words is "twenty-one million, one thousand, two hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •