Base | Representation |
---|---|
bin | 11101100101111… |
… | …00011100101100 |
3 | 122022002200112021 |
4 | 32302330130230 |
5 | 1002022021240 |
6 | 40344315524 |
7 | 6102653410 |
oct | 1662743454 |
9 | 568080467 |
10 | 248235820 |
11 | 118139278 |
12 | 6b172ba4 |
13 | 3c575701 |
14 | 24d7ad40 |
15 | 16bd654a |
hex | ecbc72c |
248235820 has 48 divisors (see below), whose sum is σ = 596736000. Its totient is φ = 84970944.
The previous prime is 248235787. The next prime is 248235821. The reversal of 248235820 is 28532842.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (248235821) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123181 + ... + 125179.
It is an arithmetic number, because the mean of its divisors is an integer number (12432000).
Almost surely, 2248235820 is an apocalyptic number.
248235820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248235820 is an abundant number, since it is smaller than the sum of its proper divisors (348500180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248235820 is a wasteful number, since it uses less digits than its factorization.
248235820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2902 (or 2900 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 34.
The square root of 248235820 is about 15755.5012614642. The cubic root of 248235820 is about 628.4752072803.
The spelling of 248235820 in words is "two hundred forty-eight million, two hundred thirty-five thousand, eight hundred twenty".
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