Base | Representation |
---|---|
bin | 101110101001… |
… | …001010000010 |
3 | 212000012120100 |
4 | 232221022002 |
5 | 11112232302 |
6 | 1114023230 |
7 | 205633551 |
oct | 56511202 |
9 | 25005510 |
10 | 12227202 |
11 | 69a1529 |
12 | 4117b16 |
13 | 26c1540 |
14 | 18a3d98 |
15 | 1117d1c |
hex | ba9282 |
12227202 has 24 divisors (see below), whose sum is σ = 28530684. Its totient is φ = 3762144.
The previous prime is 12227197. The next prime is 12227209. The reversal of 12227202 is 20272221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11229201 + 998001 = 3351^2 + 999^2 .
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 (12227209) 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, 25893 + ... + 26360.
Almost surely, 212227202 is an apocalyptic number.
12227202 is an abundant number, since it is smaller than the sum of its proper divisors (16303482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12227202 is a wasteful number, since it uses less digits than its factorization.
12227202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52274 (or 52271 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 12227202 is about 3496.7416261428. The cubic root of 12227202 is about 230.3787207272.
Adding to 12227202 its reverse (20272221), we get a palindrome (32499423).
The spelling of 12227202 in words is "twelve million, two hundred twenty-seven thousand, two hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •