Base | Representation |
---|---|
bin | 111010110101… |
… | …1100111010000 |
3 | 2011001022112122 |
4 | 1311223213100 |
5 | 30344140423 |
6 | 3021113412 |
7 | 523134125 |
oct | 165534720 |
9 | 64038478 |
10 | 30849488 |
11 | 1646074a |
12 | a3b8868 |
13 | 6511847 |
14 | 415074c |
15 | 2a958c8 |
hex | 1d6b9d0 |
30849488 has 10 divisors (see below), whose sum is σ = 59770914. Its totient is φ = 15424736.
The previous prime is 30849487. The next prime is 30849499. The reversal of 30849488 is 88494803.
It can be written as a sum of positive squares in only one way, i.e., 27793984 + 3055504 = 5272^2 + 1748^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30849487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964031 + ... + 964062.
Almost surely, 230849488 is an apocalyptic number.
It is an amenable number.
30849488 is a deficient number, since it is larger than the sum of its proper divisors (28921426).
30849488 is a wasteful number, since it uses less digits than its factorization.
30849488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1928101 (or 1928095 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 44.
The square root of 30849488 is about 5554.2315400062. The cubic root of 30849488 is about 313.6288364605.
The spelling of 30849488 in words is "thirty million, eight hundred forty-nine thousand, four hundred eighty-eight".
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