Base | Representation |
---|---|
bin | 100101000000111… |
… | …0110110110111011 |
3 | 10012120001011211122 |
4 | 1022001312312323 |
5 | 10020423011302 |
6 | 323124215455 |
7 | 42530555444 |
oct | 11201666673 |
9 | 3176034748 |
10 | 1242000827 |
11 | 588093671 |
12 | 2a7b3a58b |
13 | 16a40b942 |
14 | bad442cb |
15 | 740853a2 |
hex | 4a076dbb |
1242000827 has 8 divisors (see below), whose sum is σ = 1254145200. Its totient is φ = 1229870304.
The previous prime is 1242000817. The next prime is 1242000847. The reversal of 1242000827 is 7280002421.
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 1242000827 - 24 = 1242000811 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1242000796 and 1242000805.
It is not an unprimeable number, because it can be changed into a prime (1242000817) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318413 + ... + 322289.
It is an arithmetic number, because the mean of its divisors is an integer number (156768150).
Almost surely, 21242000827 is an apocalyptic number.
1242000827 is a deficient number, since it is larger than the sum of its proper divisors (12144373).
1242000827 is a wasteful number, since it uses less digits than its factorization.
1242000827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6925.
The product of its (nonzero) digits is 1792, while the sum is 26.
The square root of 1242000827 is about 35242.0321065628. The cubic root of 1242000827 is about 1074.9145998861.
The spelling of 1242000827 in words is "one billion, two hundred forty-two million, eight hundred twenty-seven", and thus it is an aban number.
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