Base | Representation |
---|---|
bin | 11101100101110… |
… | …10101010000111 |
3 | 122022002022110200 |
4 | 32302322222013 |
5 | 1002021302422 |
6 | 40344221543 |
7 | 6102623133 |
oct | 1662725207 |
9 | 568068420 |
10 | 248228487 |
11 | 118133811 |
12 | 6b16a8b3 |
13 | 3c572280 |
14 | 24d783c3 |
15 | 16bd42ac |
hex | ecbaa87 |
248228487 has 48 divisors (see below), whose sum is σ = 402948000. Its totient is φ = 146200320.
The previous prime is 248228467. The next prime is 248228527. The reversal of 248228487 is 784822842.
It is not a de Polignac number, because 248228487 - 26 = 248228423 is a prime.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248228417) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 505312 + ... + 505802.
It is an arithmetic number, because the mean of its divisors is an integer number (8394750).
Almost surely, 2248228487 is an apocalyptic number.
248228487 is a deficient number, since it is larger than the sum of its proper divisors (154719513).
248228487 is a wasteful number, since it uses less digits than its factorization.
248228487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 688 (or 685 counting only the distinct ones).
The product of its digits is 458752, while the sum is 45.
The square root of 248228487 is about 15755.2685473780. The cubic root of 248228487 is about 628.4690187374.
The spelling of 248228487 in words is "two hundred forty-eight million, two hundred twenty-eight thousand, four hundred eighty-seven".
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