Base | Representation |
---|---|
bin | 10111111101001101100111 |
3 | 102211001121001 |
4 | 113331031213 |
5 | 3101430124 |
6 | 342334131 |
7 | 104244103 |
oct | 27751547 |
9 | 12731531 |
10 | 6280039 |
11 | 35aa317 |
12 | 212a347 |
13 | 13bb5cc |
14 | b96903 |
15 | 840b44 |
hex | 5fd367 |
6280039 has 2 divisors, whose sum is σ = 6280040. Its totient is φ = 6280038.
The previous prime is 6280033. The next prime is 6280067. The reversal of 6280039 is 9300826.
It is an a-pointer prime, because the next prime (6280067) can be obtained adding 6280039 to its sum of digits (28).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 6280039 - 23 = 6280031 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 6279989 and 6280016.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6280031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140019 + 3140020.
It is an arithmetic number, because the mean of its divisors is an integer number (3140020).
Almost surely, 26280039 is an apocalyptic number.
6280039 is a deficient number, since it is larger than the sum of its proper divisors (1).
6280039 is an equidigital number, since it uses as much as digits as its factorization.
6280039 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 6280039 is about 2506.0005985634. Note that the first 3 decimals coincide. The cubic root of 6280039 is about 184.4962090667.
The spelling of 6280039 in words is "six million, two hundred eighty thousand, thirty-nine".
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