Base | Representation |
---|---|
bin | 111010100001… |
… | …0010111110111 |
3 | 2010201201211022 |
4 | 1311002113313 |
5 | 30323234232 |
6 | 3013331355 |
7 | 521531501 |
oct | 165022767 |
9 | 63651738 |
10 | 30680567 |
11 | 16355845 |
12 | a336b5b |
13 | 64829a8 |
14 | 4108d71 |
15 | 2a60812 |
hex | 1d425f7 |
30680567 has 2 divisors, whose sum is σ = 30680568. Its totient is φ = 30680566.
The previous prime is 30680561. The next prime is 30680581. The reversal of 30680567 is 76508603.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30680567 - 220 = 29631991 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30680561) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15340283 + 15340284.
It is an arithmetic number, because the mean of its divisors is an integer number (15340284).
Almost surely, 230680567 is an apocalyptic number.
30680567 is a deficient number, since it is larger than the sum of its proper divisors (1).
30680567 is an equidigital number, since it uses as much as digits as its factorization.
30680567 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 30240, while the sum is 35.
The square root of 30680567 is about 5539.0041523725. The cubic root of 30680567 is about 313.0553478594.
The spelling of 30680567 in words is "thirty million, six hundred eighty thousand, five hundred sixty-seven".
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