Base | Representation |
---|---|
bin | 111001010111… |
… | …0000010101111 |
3 | 2002120212102002 |
4 | 1302232002233 |
5 | 30144314012 |
6 | 2552322515 |
7 | 513421256 |
oct | 162560257 |
9 | 62525362 |
10 | 30073007 |
11 | 15a80328 |
12 | a0a343b |
13 | 62cc2a3 |
14 | 3dcb79d |
15 | 29907c2 |
hex | 1cae0af |
30073007 has 16 divisors (see below), whose sum is σ = 32024832. Its totient is φ = 28200960.
The previous prime is 30073003. The next prime is 30073027. The reversal of 30073007 is 70037003.
It is a cyclic number.
It is not a de Polignac number, because 30073007 - 22 = 30073003 is a prime.
It is a super-3 number, since 3×300730073 (a number of 23 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30073007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30073003) 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, 219443 + ... + 219579.
It is an arithmetic number, because the mean of its divisors is an integer number (2001552).
Almost surely, 230073007 is an apocalyptic number.
30073007 is a deficient number, since it is larger than the sum of its proper divisors (1951825).
30073007 is a wasteful number, since it uses less digits than its factorization.
30073007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338.
The product of its (nonzero) digits is 441, while the sum is 20.
The square root of 30073007 is about 5483.8861220853. The cubic root of 30073007 is about 310.9751016554.
The spelling of 30073007 in words is "thirty million, seventy-three thousand, seven".
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