Base | Representation |
---|---|
bin | 11101111001011… |
… | …10100001110000 |
3 | 122110220222020210 |
4 | 32330232201300 |
5 | 1003201101430 |
6 | 40515304120 |
7 | 6133524015 |
oct | 1674564160 |
9 | 573828223 |
10 | 250800240 |
11 | 11962aa29 |
12 | 6bbab040 |
13 | 3cc62a12 |
14 | 2544770c |
15 | 170412b0 |
hex | ef2e870 |
250800240 has 80 divisors (see below), whose sum is σ = 792190368. Its totient is φ = 65614848.
The previous prime is 250800233. The next prime is 250800259. The reversal of 250800240 is 42008052.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862 + ... + 22578.
Almost surely, 2250800240 is an apocalyptic number.
250800240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 250800240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396095184).
250800240 is an abundant number, since it is smaller than the sum of its proper divisors (541390128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250800240 is a wasteful number, since it uses less digits than its factorization.
250800240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19786 (or 19780 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 21.
The square root of 250800240 is about 15836.6738932138. The cubic root of 250800240 is about 630.6319685155.
Adding to 250800240 its reverse (42008052), we get a palindrome (292808292).
The spelling of 250800240 in words is "two hundred fifty million, eight hundred thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •