Base | Representation |
---|---|
bin | 11101110110100… |
… | …01111111111101 |
3 | 122110012201100221 |
4 | 32323101333331 |
5 | 1003101434440 |
6 | 40503221341 |
7 | 6130355044 |
oct | 1673217775 |
9 | 573181327 |
10 | 250421245 |
11 | 1193a1208 |
12 | 6ba47851 |
13 | 3cb5c369 |
14 | 2538955b |
15 | 16eb8d4a |
hex | eed1ffd |
250421245 has 8 divisors (see below), whose sum is σ = 300684384. Its totient is φ = 200217744.
The previous prime is 250421201. The next prime is 250421251. The reversal of 250421245 is 542124052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-250421245 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5079 + ... + 22948.
It is an arithmetic number, because the mean of its divisors is an integer number (37585548).
Almost surely, 2250421245 is an apocalyptic number.
It is an amenable number.
250421245 is a deficient number, since it is larger than the sum of its proper divisors (50263139).
250421245 is a wasteful number, since it uses less digits than its factorization.
250421245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29819.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 250421245 is about 15824.7036307161. The cubic root of 250421245 is about 630.3141500331.
Adding to 250421245 its reverse (542124052), we get a palindrome (792545297).
The spelling of 250421245 in words is "two hundred fifty million, four hundred twenty-one thousand, two hundred forty-five".
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