Base | Representation |
---|---|
bin | 11101000110100… |
… | …10000111000000 |
3 | 122000101002201202 |
4 | 32203102013000 |
5 | 444444131430 |
6 | 40120320332 |
7 | 6023033654 |
oct | 1643220700 |
9 | 560332652 |
10 | 244130240 |
11 | 115894732 |
12 | 699130a8 |
13 | 3b768a83 |
14 | 245cca64 |
15 | 16674d45 |
hex | e8d21c0 |
244130240 has 56 divisors (see below), whose sum is σ = 611946960. Its totient is φ = 92510208.
The previous prime is 244130219. The next prime is 244130269. The reversal of 244130240 is 42031442.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13997 + ... + 26156.
Almost surely, 2244130240 is an apocalyptic number.
244130240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
244130240 is an abundant number, since it is smaller than the sum of its proper divisors (367816720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
244130240 is a wasteful number, since it uses less digits than its factorization.
244130240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40189 (or 40179 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 244130240 is about 15624.6676764660. The cubic root of 244130240 is about 624.9911380077.
Adding to 244130240 its reverse (42031442), we get a palindrome (286161682).
The spelling of 244130240 in words is "two hundred forty-four million, one hundred thirty thousand, two hundred forty".
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