Base | Representation |
---|---|
bin | 11101101000111… |
… | …00110010101111 |
3 | 122022211201212002 |
4 | 32310130302233 |
5 | 1002122133242 |
6 | 40401002515 |
7 | 6106216052 |
oct | 1664346257 |
9 | 568751762 |
10 | 248630447 |
11 | 11838880a |
12 | 6b32343b |
13 | 3c683210 |
14 | 25040a99 |
15 | 16c63432 |
hex | ed1ccaf |
248630447 has 24 divisors (see below), whose sum is σ = 291876480. Its totient is φ = 210288960.
The previous prime is 248630419. The next prime is 248630467. The reversal of 248630447 is 744036842.
It is not a de Polignac number, because 248630447 - 26 = 248630383 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 248630447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248630407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144629 + ... + 146337.
It is an arithmetic number, because the mean of its divisors is an integer number (12161520).
Almost surely, 2248630447 is an apocalyptic number.
248630447 is a deficient number, since it is larger than the sum of its proper divisors (43246033).
248630447 is a wasteful number, since it uses less digits than its factorization.
248630447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1791 (or 1772 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 38.
The square root of 248630447 is about 15768.0197551880. The cubic root of 248630447 is about 628.8080654702.
The spelling of 248630447 in words is "two hundred forty-eight million, six hundred thirty thousand, four hundred forty-seven".
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