Base | Representation |
---|---|
bin | 111110011111010… |
… | …110101111100001 |
3 | 2201001202121001020 |
4 | 332133112233201 |
5 | 4121343011014 |
6 | 252011000053 |
7 | 34660212126 |
oct | 7637265741 |
9 | 2631677036 |
10 | 1048407009 |
11 | 498886781 |
12 | 253139029 |
13 | 1392884a0 |
14 | 9d34c74d |
15 | 620941a9 |
hex | 3e7d6be1 |
1048407009 has 16 divisors (see below), whose sum is σ = 1506292032. Its totient is φ = 644793408.
The previous prime is 1048407007. The next prime is 1048407029. The reversal of 1048407009 is 9007048401.
It is not a de Polignac number, because 1048407009 - 21 = 1048407007 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1048407007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68434 + ... + 82340.
It is an arithmetic number, because the mean of its divisors is an integer number (94143252).
Almost surely, 21048407009 is an apocalyptic number.
It is an amenable number.
1048407009 is a deficient number, since it is larger than the sum of its proper divisors (457885023).
1048407009 is a wasteful number, since it uses less digits than its factorization.
1048407009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15856.
The product of its (nonzero) digits is 8064, while the sum is 33.
The square root of 1048407009 is about 32379.1137772484. The cubic root of 1048407009 is about 1015.8820934046.
The spelling of 1048407009 in words is "one billion, forty-eight million, four hundred seven thousand, nine".
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