Base | Representation |
---|---|
bin | 111001011000… |
… | …0100101001111 |
3 | 2002121101200021 |
4 | 1302300211033 |
5 | 30200132112 |
6 | 2552443011 |
7 | 513463504 |
oct | 162604517 |
9 | 62541607 |
10 | 30083407 |
11 | 15a88122 |
12 | a0a9467 |
13 | 6303c43 |
14 | 3dd14ab |
15 | 2993907 |
hex | 1cb094f |
30083407 has 2 divisors, whose sum is σ = 30083408. Its totient is φ = 30083406.
The previous prime is 30083401. The next prime is 30083413. The reversal of 30083407 is 70438003.
It is a balanced prime because it is at equal distance from previous prime (30083401) and next prime (30083413).
It is an emirp because it is prime and its reverse (70438003) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 30083407 - 23 = 30083399 is a prime.
It is a super-2 number, since 2×300834072 = 1810022753455298, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30083401) 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, 15041703 + 15041704.
It is an arithmetic number, because the mean of its divisors is an integer number (15041704).
Almost surely, 230083407 is an apocalyptic number.
30083407 is a deficient number, since it is larger than the sum of its proper divisors (1).
30083407 is an equidigital number, since it uses as much as digits as its factorization.
30083407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 30083407 is about 5484.8342727926. The cubic root of 30083407 is about 311.0109451868.
The spelling of 30083407 in words is "thirty million, eighty-three thousand, four hundred seven".
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