Base | Representation |
---|---|
bin | 111010111010… |
… | …0101111000101 |
3 | 2011010012210112 |
4 | 1311310233011 |
5 | 30401334403 |
6 | 3022002405 |
7 | 523351064 |
oct | 165645705 |
9 | 64105715 |
10 | 30886853 |
11 | 16486828 |
12 | a416405 |
13 | 652585a |
14 | 41601db |
15 | 2aa19d8 |
hex | 1d74bc5 |
30886853 has 2 divisors, whose sum is σ = 30886854. Its totient is φ = 30886852.
The previous prime is 30886847. The next prime is 30886859. The reversal of 30886853 is 35868803.
It is a balanced prime because it is at equal distance from previous prime (30886847) and next prime (30886859).
It can be written as a sum of positive squares in only one way, i.e., 30658369 + 228484 = 5537^2 + 478^2 .
It is a cyclic number.
It is not a de Polignac number, because 30886853 - 26 = 30886789 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 30886853.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30886859) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15443426 + 15443427.
It is an arithmetic number, because the mean of its divisors is an integer number (15443427).
Almost surely, 230886853 is an apocalyptic number.
It is an amenable number.
30886853 is a deficient number, since it is larger than the sum of its proper divisors (1).
30886853 is an equidigital number, since it uses as much as digits as its factorization.
30886853 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 138240, while the sum is 41.
The square root of 30886853 is about 5557.5941737410. The cubic root of 30886853 is about 313.7554081278.
The spelling of 30886853 in words is "thirty million, eight hundred eighty-six thousand, eight hundred fifty-three".
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