Base | Representation |
---|---|
bin | 11111101100000… |
… | …101000110110100 |
3 | 1101001101120020210 |
4 | 133230011012310 |
5 | 2042100231243 |
6 | 124431025420 |
7 | 16113640635 |
oct | 3754050664 |
9 | 1331346223 |
10 | 531648948 |
11 | 2531137a6 |
12 | 12a06b270 |
13 | 861b679c |
14 | 5087388c |
15 | 31a1a933 |
hex | 1fb051b4 |
531648948 has 24 divisors (see below), whose sum is σ = 1246083328. Its totient is φ = 176420736.
The previous prime is 531648911. The next prime is 531649021. The reversal of 531648948 is 849846135.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 531648897 and 531648906.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96661 + ... + 102012.
Almost surely, 2531648948 is an apocalyptic number.
It is an amenable number.
531648948 is an abundant number, since it is smaller than the sum of its proper divisors (714434380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
531648948 is a wasteful number, since it uses less digits than its factorization.
531648948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198903 (or 198901 counting only the distinct ones).
The product of its digits is 829440, while the sum is 48.
The square root of 531648948 is about 23057.5139162920. The cubic root of 531648948 is about 810.1056347524.
The spelling of 531648948 in words is "five hundred thirty-one million, six hundred forty-eight thousand, nine hundred forty-eight".
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