Base | Representation |
---|---|
bin | 110000110010… |
… | …100111010011 |
3 | 220001210220010 |
4 | 300302213103 |
5 | 11233241402 |
6 | 1134050003 |
7 | 213500202 |
oct | 60624723 |
9 | 26053803 |
10 | 12790227 |
11 | 724653a |
12 | 4349903 |
13 | 285a8a8 |
14 | 19ad239 |
15 | 11c9a6c |
hex | c329d3 |
12790227 has 8 divisors (see below), whose sum is σ = 17072064. Its totient is φ = 8517608.
The previous prime is 12790199. The next prime is 12790241. The reversal of 12790227 is 72209721.
It is a happy number.
12790227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12790227 - 26 = 12790163 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12790194 and 12790203.
It is not an unprimeable number, because it can be changed into a prime (12790027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 5510.
It is an arithmetic number, because the mean of its divisors is an integer number (2134008).
Almost surely, 212790227 is an apocalyptic number.
12790227 is a deficient number, since it is larger than the sum of its proper divisors (4281837).
12790227 is a wasteful number, since it uses less digits than its factorization.
12790227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4609.
The product of its (nonzero) digits is 3528, while the sum is 30.
The square root of 12790227 is about 3576.3426849227. The cubic root of 12790227 is about 233.8618696793.
Adding to 12790227 its reverse (72209721), we get a palindrome (84999948).
The spelling of 12790227 in words is "twelve million, seven hundred ninety thousand, two hundred twenty-seven".
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