Base | Representation |
---|---|
bin | 111001101001… |
… | …1010000011000 |
3 | 2002212121111110 |
4 | 1303103100120 |
5 | 30214203212 |
6 | 2555500320 |
7 | 514624536 |
oct | 163232030 |
9 | 62777443 |
10 | 30225432 |
11 | 160748a6 |
12 | a1576a0 |
13 | 6353793 |
14 | 402b156 |
15 | 29c0a3c |
hex | 1cd3418 |
30225432 has 16 divisors (see below), whose sum is σ = 75563640. Its totient is φ = 10075136.
The previous prime is 30225421. The next prime is 30225451. The reversal of 30225432 is 23452203.
It is a junction number, because it is equal to n+sod(n) for n = 30225399 and 30225408.
It is a congruent number.
It is an unprimeable number.
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, 629673 + ... + 629720.
Almost surely, 230225432 is an apocalyptic number.
It is an amenable number.
30225432 is an abundant number, since it is smaller than the sum of its proper divisors (45338208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30225432 is a wasteful number, since it uses less digits than its factorization.
30225432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1259402 (or 1259398 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 30225432 is about 5497.7660917867. The cubic root of 30225432 is about 311.4996088065.
Adding to 30225432 its reverse (23452203), we get a palindrome (53677635).
The spelling of 30225432 in words is "thirty million, two hundred twenty-five thousand, four hundred thirty-two".
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