Base | Representation |
---|---|
bin | 111011110000010… |
… | …1001001100011000 |
3 | 12011201211220002110 |
4 | 1313200221030120 |
5 | 13101242433130 |
6 | 530543032320 |
7 | 100454416164 |
oct | 16740511430 |
9 | 5151756073 |
10 | 2005046040 |
11 | 939883848 |
12 | 47b59b6a0 |
13 | 25c52309a |
14 | 15040dca4 |
15 | bb05cab0 |
hex | 77829318 |
2005046040 has 64 divisors (see below), whose sum is σ = 6030741600. Its totient is φ = 533292032.
The previous prime is 2005046033. The next prime is 2005046047. The reversal of 2005046040 is 406405002.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2005046033) and next prime (2005046047).
It is a junction number, because it is equal to n+sod(n) for n = 2005045998 and 2005046016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2005046047) 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, 25204 + ... + 68156.
Almost surely, 22005046040 is an apocalyptic number.
2005046040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2005046040 is an abundant number, since it is smaller than the sum of its proper divisors (4025695560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2005046040 is a wasteful number, since it uses less digits than its factorization.
2005046040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43356 (or 43352 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
The square root of 2005046040 is about 44777.7404521488. The cubic root of 2005046040 is about 1260.9797620119.
The spelling of 2005046040 in words is "two billion, five million, forty-six thousand, forty".
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