Base | Representation |
---|---|
bin | 111001110001… |
… | …0001001110100 |
3 | 2002222201012110 |
4 | 1303202021310 |
5 | 30223131302 |
6 | 3001051020 |
7 | 515300460 |
oct | 163421164 |
9 | 62881173 |
10 | 30286452 |
11 | 16106729 |
12 | a186a70 |
13 | 63754a1 |
14 | 40454a0 |
15 | 29d3b6c |
hex | 1ce2274 |
30286452 has 96 divisors (see below), whose sum is σ = 86704128. Its totient is φ = 8031744.
The previous prime is 30286427. The next prime is 30286463. The reversal of 30286452 is 25468203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181273 + ... + 181439.
It is an arithmetic number, because the mean of its divisors is an integer number (903168).
Almost surely, 230286452 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 30286452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43352064).
30286452 is an abundant number, since it is smaller than the sum of its proper divisors (56417676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30286452 is a wasteful number, since it uses less digits than its factorization.
30286452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 30286452 is about 5503.3128204746. The cubic root of 30286452 is about 311.7090894557.
The spelling of 30286452 in words is "thirty million, two hundred eighty-six thousand, four hundred fifty-two".
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