Base | Representation |
---|---|
bin | 100100101110010… |
… | …0101011111100001 |
3 | 10011212122210021211 |
4 | 1021130211133201 |
5 | 10010422332434 |
6 | 322134550121 |
7 | 42351533236 |
oct | 11134453741 |
9 | 3155583254 |
10 | 1232230369 |
11 | 58261aa07 |
12 | 2a4808341 |
13 | 16839a6c6 |
14 | b991d78d |
15 | 732a5464 |
hex | 497257e1 |
1232230369 has 2 divisors, whose sum is σ = 1232230370. Its totient is φ = 1232230368.
The previous prime is 1232230361. The next prime is 1232230423. The reversal of 1232230369 is 9630322321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1191078144 + 41152225 = 34512^2 + 6415^2 .
It is a cyclic number.
It is not a de Polignac number, because 1232230369 - 23 = 1232230361 is a prime.
It is a super-2 number, since 2×12322303692 = 3036783364571752322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1232230369.
It is not a weakly prime, because it can be changed into another prime (1232230361) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616115184 + 616115185.
It is an arithmetic number, because the mean of its divisors is an integer number (616115185).
Almost surely, 21232230369 is an apocalyptic number.
It is an amenable number.
1232230369 is a deficient number, since it is larger than the sum of its proper divisors (1).
1232230369 is an equidigital number, since it uses as much as digits as its factorization.
1232230369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 11664, while the sum is 31.
The square root of 1232230369 is about 35103.1390191817. The cubic root of 1232230369 is about 1072.0884963629.
The spelling of 1232230369 in words is "one billion, two hundred thirty-two million, two hundred thirty thousand, three hundred sixty-nine".
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