Base | Representation |
---|---|
bin | 111001100111… |
… | …0001110011100 |
3 | 2002211120020100 |
4 | 1303032032130 |
5 | 30213023303 |
6 | 2555221100 |
7 | 514510503 |
oct | 163161634 |
9 | 62746210 |
10 | 30204828 |
11 | 16060375 |
12 | a147790 |
13 | 63472a4 |
14 | 402383a |
15 | 29b98a3 |
hex | 1cce39c |
30204828 has 36 divisors (see below), whose sum is σ = 76756680. Its totient is φ = 10014816.
The previous prime is 30204827. The next prime is 30204829. The reversal of 30204828 is 82840203.
It is an interprime number because it is at equal distance from previous prime (30204827) and next prime (30204829).
It is a tau number, because it is divible by the number of its divisors (36).
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30204827) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4963 + ... + 9221.
It is an arithmetic number, because the mean of its divisors is an integer number (2132130).
Almost surely, 230204828 is an apocalyptic number.
It is an amenable number.
30204828 is an abundant number, since it is smaller than the sum of its proper divisors (46551852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30204828 is a wasteful number, since it uses less digits than its factorization.
30204828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4466 (or 4461 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 30204828 is about 5495.8919203347. The cubic root of 30204828 is about 311.4288119485.
The spelling of 30204828 in words is "thirty million, two hundred four thousand, eight hundred twenty-eight".
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