Base | Representation |
---|---|
bin | 111001010000… |
… | …1100101110111 |
3 | 2002111021110012 |
4 | 1302201211313 |
5 | 30141201012 |
6 | 2551250435 |
7 | 513116501 |
oct | 162414567 |
9 | 62437405 |
10 | 30022007 |
11 | 15a45a84 |
12 | a079a1b |
13 | 62b2002 |
14 | 3db6d71 |
15 | 2980622 |
hex | 1ca1977 |
30022007 has 2 divisors, whose sum is σ = 30022008. Its totient is φ = 30022006.
The previous prime is 30021977. The next prime is 30022067. The reversal of 30022007 is 70022003.
It is a weak prime.
It is an emirp because it is prime and its reverse (70022003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30022007 - 214 = 30005623 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 30021982 and 30022000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30022067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011003 + 15011004.
It is an arithmetic number, because the mean of its divisors is an integer number (15011004).
Almost surely, 230022007 is an apocalyptic number.
30022007 is a deficient number, since it is larger than the sum of its proper divisors (1).
30022007 is an equidigital number, since it uses as much as digits as its factorization.
30022007 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 84, while the sum is 14.
The square root of 30022007 is about 5479.2341618150. The cubic root of 30022007 is about 310.7992107642.
The spelling of 30022007 in words is "thirty million, twenty-two thousand, seven".
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