Base | Representation |
---|---|
bin | 11101111000011… |
… | …00011111000001 |
3 | 122110122212222101 |
4 | 32330030133001 |
5 | 1003132121201 |
6 | 40512310401 |
7 | 6132403336 |
oct | 1674143701 |
9 | 573585871 |
10 | 250660801 |
11 | 119545196 |
12 | 6bb42401 |
13 | 3cc14401 |
14 | 2540c98d |
15 | 17014d01 |
hex | ef0c7c1 |
250660801 has 4 divisors (see below), whose sum is σ = 265405572. Its totient is φ = 235916032.
The previous prime is 250660799. The next prime is 250660811. The reversal of 250660801 is 108066052.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 83631025 + 167029776 = 9145^2 + 12924^2 .
It is a cyclic number.
It is not a de Polignac number, because 250660801 - 21 = 250660799 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 250660801.
It is not an unprimeable number, because it can be changed into a prime (250660811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7372360 + ... + 7372393.
It is an arithmetic number, because the mean of its divisors is an integer number (66351393).
Almost surely, 2250660801 is an apocalyptic number.
It is an amenable number.
250660801 is a deficient number, since it is larger than the sum of its proper divisors (14744771).
250660801 is a wasteful number, since it uses less digits than its factorization.
250660801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14744770.
The product of its (nonzero) digits is 2880, while the sum is 28.
The square root of 250660801 is about 15832.2708731249. The cubic root of 250660801 is about 630.5150746978.
The spelling of 250660801 in words is "two hundred fifty million, six hundred sixty thousand, eight hundred one".
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