Base | Representation |
---|---|
bin | 111001100111… |
… | …0100101111000 |
3 | 2002211122021220 |
4 | 1303032211320 |
5 | 30213100303 |
6 | 2555232040 |
7 | 514515045 |
oct | 163164570 |
9 | 62748256 |
10 | 30206328 |
11 | 16061509 |
12 | a148620 |
13 | 6347b89 |
14 | 40241cc |
15 | 29ba053 |
hex | 1cce978 |
30206328 has 16 divisors (see below), whose sum is σ = 75515880. Its totient is φ = 10068768.
The previous prime is 30206327. The next prime is 30206357. The reversal of 30206328 is 82360203.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1258597 = 30206328 / (3 + 0 + 2 + 0 + 6 + 3 + 2 + 8).
It is a junction number, because it is equal to n+sod(n) for n = 30206298 and 30206307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30206327) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629275 + ... + 629322.
Almost surely, 230206328 is an apocalyptic number.
It is an amenable number.
30206328 is an abundant number, since it is smaller than the sum of its proper divisors (45309552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30206328 is a wasteful number, since it uses less digits than its factorization.
30206328 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1258606 (or 1258602 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 30206328 is about 5496.0283842062. The cubic root of 30206328 is about 311.4339671451.
The spelling of 30206328 in words is "thirty million, two hundred six thousand, three hundred twenty-eight".
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