Base | Representation |
---|---|
bin | 1101100000001001… |
… | …01111000000011100 |
3 | 200201012021021102021 |
4 | 12300010233000130 |
5 | 104321220422203 |
6 | 3155151105524 |
7 | 344431320130 |
oct | 66004570034 |
9 | 20635237367 |
10 | 7248998428 |
11 | 308a9638a1 |
12 | 14a38122a4 |
13 | 8b6a877a9 |
14 | 4caa553c0 |
15 | 2c66015bd |
hex | 1b012f01c |
7248998428 has 12 divisors (see below), whose sum is σ = 14497996912. Its totient is φ = 3106713600.
The previous prime is 7248998417. The next prime is 7248998447. The reversal of 7248998428 is 8248998427.
7248998428 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129446373 + ... + 129446428.
Almost surely, 27248998428 is an apocalyptic number.
It is an amenable number.
7248998428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7248998428 is a wasteful number, since it uses less digits than its factorization.
7248998428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258892812 (or 258892810 counting only the distinct ones).
The product of its digits is 18579456, while the sum is 61.
The square root of 7248998428 is about 85141.0501931941. The cubic root of 7248998428 is about 1935.3491906540.
Subtracting 7248998428 from its reverse (8248998427), we obtain a palindrome (999999999).
The spelling of 7248998428 in words is "seven billion, two hundred forty-eight million, nine hundred ninety-eight thousand, four hundred twenty-eight".
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