Base | Representation |
---|---|
bin | 111010100101… |
… | …0001110110001 |
3 | 2010210100222101 |
4 | 1311022032301 |
5 | 30330302003 |
6 | 3014140401 |
7 | 522024361 |
oct | 165121661 |
9 | 63710871 |
10 | 30712753 |
11 | 16377a45 |
12 | a351701 |
13 | 6494536 |
14 | 41169a1 |
15 | 2a6a11d |
hex | 1d4a3b1 |
30712753 has 2 divisors, whose sum is σ = 30712754. Its totient is φ = 30712752.
The previous prime is 30712729. The next prime is 30712757. The reversal of 30712753 is 35721703.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29030544 + 1682209 = 5388^2 + 1297^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30712753 is a prime.
It is not a weakly prime, because it can be changed into another prime (30712757) 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, 15356376 + 15356377.
It is an arithmetic number, because the mean of its divisors is an integer number (15356377).
Almost surely, 230712753 is an apocalyptic number.
It is an amenable number.
30712753 is a deficient number, since it is larger than the sum of its proper divisors (1).
30712753 is an equidigital number, since it uses as much as digits as its factorization.
30712753 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4410, while the sum is 28.
The square root of 30712753 is about 5541.9087866907. The cubic root of 30712753 is about 313.1647817127.
The spelling of 30712753 in words is "thirty million, seven hundred twelve thousand, seven hundred fifty-three".
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