Base | Representation |
---|---|
bin | 111010110101… |
… | …0000101101011 |
3 | 2011000222222100 |
4 | 1311222011223 |
5 | 30343440433 |
6 | 3021024443 |
7 | 523106664 |
oct | 165520553 |
9 | 64028870 |
10 | 30843243 |
11 | 16456a92 |
12 | a3b5123 |
13 | 650ba52 |
14 | 414c36b |
15 | 2a93b13 |
hex | 1d6a16b |
30843243 has 6 divisors (see below), whose sum is σ = 44551364. Its totient is φ = 20562156.
The previous prime is 30843227. The next prime is 30843257. The reversal of 30843243 is 34234803.
It is not a de Polignac number, because 30843243 - 24 = 30843227 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30843223) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1713505 + ... + 1713522.
Almost surely, 230843243 is an apocalyptic number.
30843243 is a deficient number, since it is larger than the sum of its proper divisors (13708121).
30843243 is a wasteful number, since it uses less digits than its factorization.
30843243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3427033 (or 3427030 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
The square root of 30843243 is about 5553.6693275707. The cubic root of 30843243 is about 313.6076719357.
The spelling of 30843243 in words is "thirty million, eight hundred forty-three thousand, two hundred forty-three".
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