Base | Representation |
---|---|
bin | 111111001110111001000 |
3 | 10220021021001 |
4 | 13321313020 |
5 | 1012301013 |
6 | 112224344 |
7 | 23416561 |
oct | 7716710 |
9 | 3807231 |
10 | 2072008 |
11 | 1195804 |
12 | 83b0b4 |
13 | 577153 |
14 | 3bd168 |
15 | 2adddd |
hex | 1f9dc8 |
2072008 has 8 divisors (see below), whose sum is σ = 3885030. Its totient is φ = 1036000.
The previous prime is 2072003. The next prime is 2072023. The reversal of 2072008 is 8002702.
It can be written as a sum of positive squares in only one way, i.e., 1435204 + 636804 = 1198^2 + 798^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.
It is a plaindrome in base 15.
It is not an unprimeable number, because it can be changed into a prime (2072003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129493 + ... + 129508.
22072008 is an apocalyptic number.
It is an amenable number.
2072008 is a deficient number, since it is larger than the sum of its proper divisors (1813022).
2072008 is a wasteful number, since it uses less digits than its factorization.
2072008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 259007 (or 259003 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 2072008 is about 1439.4471160831. The cubic root of 2072008 is about 127.4863858333.
The spelling of 2072008 in words is "two million, seventy-two thousand, eight".
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