Base | Representation |
---|---|
bin | 111010000101… |
… | …0001101010000 |
3 | 2010022001020202 |
4 | 1310022031100 |
5 | 30243404022 |
6 | 3004354332 |
7 | 516553001 |
oct | 164121520 |
9 | 63261222 |
10 | 30450512 |
11 | 16208a14 |
12 | a2459a8 |
13 | 6402071 |
14 | 40891a8 |
15 | 2a17592 |
hex | 1d0a350 |
30450512 has 20 divisors (see below), whose sum is σ = 59252160. Its totient is φ = 15159648.
The previous prime is 30450503. The next prime is 30450523. The reversal of 30450512 is 21505403.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 7805.
It is an arithmetic number, because the mean of its divisors is an integer number (2962608).
Almost surely, 230450512 is an apocalyptic number.
It is an amenable number.
30450512 is a deficient number, since it is larger than the sum of its proper divisors (28801648).
30450512 is a wasteful number, since it uses less digits than its factorization.
30450512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8210 (or 8204 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
The square root of 30450512 is about 5518.1982566776. The cubic root of 30450512 is about 312.2709130624.
Adding to 30450512 its reverse (21505403), we get a palindrome (51955915).
The spelling of 30450512 in words is "thirty million, four hundred fifty thousand, five hundred twelve".
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