Base | Representation |
---|---|
bin | 111010000100… |
… | …0011011110000 |
3 | 2010021200021201 |
4 | 1310020123300 |
5 | 30243140443 |
6 | 3004300544 |
7 | 516522553 |
oct | 164103360 |
9 | 63250251 |
10 | 30443248 |
11 | 16203510 |
12 | a241754 |
13 | 63cb974 |
14 | 408669a |
15 | 2a1534d |
hex | 1d086f0 |
30443248 has 20 divisors (see below), whose sum is σ = 64346328. Its totient is φ = 13837760.
The previous prime is 30443239. The next prime is 30443249. The reversal of 30443248 is 84234403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30443249) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86311 + ... + 86662.
Almost surely, 230443248 is an apocalyptic number.
It is an amenable number.
30443248 is an abundant number, since it is smaller than the sum of its proper divisors (33903080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30443248 is a wasteful number, since it uses less digits than its factorization.
30443248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172992 (or 172986 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 28.
The square root of 30443248 is about 5517.5400315720. The cubic root of 30443248 is about 312.2460802418.
The spelling of 30443248 in words is "thirty million, four hundred forty-three thousand, two hundred forty-eight".
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