Base | Representation |
---|---|
bin | 11101100100000… |
… | …11111000101100 |
3 | 122021122220201112 |
4 | 32302003320230 |
5 | 1001442113030 |
6 | 40335331152 |
7 | 6101000066 |
oct | 1662037054 |
9 | 567586645 |
10 | 248004140 |
11 | 117aa01aa |
12 | 6b080ab8 |
13 | 3c4c4117 |
14 | 24d1a736 |
15 | 16b8ca95 |
hex | ec83e2c |
248004140 has 24 divisors (see below), whose sum is σ = 529638480. Its totient is φ = 97519808.
The previous prime is 248004079. The next prime is 248004149. The reversal of 248004140 is 41400842.
248004140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (248004149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103907 + ... + 106266.
It is an arithmetic number, because the mean of its divisors is an integer number (22068270).
Almost surely, 2248004140 is an apocalyptic number.
248004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
248004140 is an abundant number, since it is smaller than the sum of its proper divisors (281634340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248004140 is a wasteful number, since it uses less digits than its factorization.
248004140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210241 (or 210239 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 23.
The square root of 248004140 is about 15748.1471926065. The cubic root of 248004140 is about 628.2796265115.
Adding to 248004140 its reverse (41400842), we get a palindrome (289404982).
The spelling of 248004140 in words is "two hundred forty-eight million, four thousand, one hundred forty".
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