Base | Representation |
---|---|
bin | 111010100100… |
… | …0101010100111 |
3 | 2010210001011222 |
4 | 1311020222213 |
5 | 30330100333 |
6 | 3014050555 |
7 | 521666603 |
oct | 165105247 |
9 | 63701158 |
10 | 30706343 |
11 | 16373148 |
12 | a349a5b |
13 | 6491645 |
14 | 4114503 |
15 | 2a68298 |
hex | 1d48aa7 |
30706343 has 6 divisors (see below), whose sum is σ = 31438944. Its totient is φ = 29990436.
The previous prime is 30706327. The next prime is 30706393. The reversal of 30706343 is 34360703.
It is not a de Polignac number, because 30706343 - 24 = 30706327 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30706393) 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 in 5 ways as a sum of consecutive naturals, for example, 6455 + ... + 10152.
It is an arithmetic number, because the mean of its divisors is an integer number (5239824).
Almost surely, 230706343 is an apocalyptic number.
30706343 is a deficient number, since it is larger than the sum of its proper divisors (732601).
30706343 is an equidigital number, since it uses as much as digits as its factorization.
30706343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16693 (or 16650 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 26.
The square root of 30706343 is about 5541.3304359152. The cubic root of 30706343 is about 313.1429935225.
The spelling of 30706343 in words is "thirty million, seven hundred six thousand, three hundred forty-three".
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