Base | Representation |
---|---|
bin | 11101111001111… |
… | …11010100000010 |
3 | 122111001110120020 |
4 | 32330333110002 |
5 | 1003210301434 |
6 | 40520554310 |
7 | 6134231325 |
oct | 1674772402 |
9 | 574043506 |
10 | 250868994 |
11 | 119677652 |
12 | 70022996 |
13 | 3cc880bc |
14 | 254647bc |
15 | 17056849 |
hex | ef3f502 |
250868994 has 16 divisors (see below), whose sum is σ = 507784032. Its totient is φ = 82615328.
The previous prime is 250868993. The next prime is 250869001. The reversal of 250868994 is 499868052.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (250868993) 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, 251379 + ... + 252374.
It is an arithmetic number, because the mean of its divisors is an integer number (31736502).
Almost surely, 2250868994 is an apocalyptic number.
250868994 is an abundant number, since it is smaller than the sum of its proper divisors (256915038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250868994 is a wasteful number, since it uses less digits than its factorization.
250868994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503841.
The product of its (nonzero) digits is 1244160, while the sum is 51.
The square root of 250868994 is about 15838.8444654274. The cubic root of 250868994 is about 630.6895900831.
The spelling of 250868994 in words is "two hundred fifty million, eight hundred sixty-eight thousand, nine hundred ninety-four".
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