Base | Representation |
---|---|
bin | 111001011110… |
… | …0110000000000 |
3 | 2002200221001020 |
4 | 1302330300000 |
5 | 30203230443 |
6 | 2553505440 |
7 | 514062015 |
oct | 162746000 |
9 | 62627036 |
10 | 30133248 |
11 | 16011612 |
12 | a112280 |
13 | 6320832 |
14 | 400570c |
15 | 29a3583 |
hex | 1cbcc00 |
30133248 has 88 divisors (see below), whose sum is σ = 85187952. Its totient is φ = 9437184.
The previous prime is 30133217. The next prime is 30133273. The reversal of 30133248 is 84233103.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51936 + ... + 52512.
Almost surely, 230133248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30133248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42593976).
30133248 is an abundant number, since it is smaller than the sum of its proper divisors (55054704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30133248 is a wasteful number, since it uses less digits than its factorization.
30133248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617 (or 599 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30133248 is about 5489.3759208129. The cubic root of 30133248 is about 311.1826073022.
It can be divided in two parts, 30133 and 248, that added together give a triangular number (30381 = T246).
The spelling of 30133248 in words is "thirty million, one hundred thirty-three thousand, two hundred forty-eight".
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