Base | Representation |
---|---|
bin | 11101111001001… |
… | …10110110000001 |
3 | 122110212101002012 |
4 | 32330212312001 |
5 | 1003144100034 |
6 | 40514502305 |
7 | 6133333166 |
oct | 1674466601 |
9 | 573771065 |
10 | 250768769 |
11 | 119609319 |
12 | 6bb94995 |
13 | 3cc515b4 |
14 | 2543a06d |
15 | 17036cce |
hex | ef26d81 |
250768769 has 2 divisors, whose sum is σ = 250768770. Its totient is φ = 250768768.
The previous prime is 250768757. The next prime is 250768781. The reversal of 250768769 is 967867052.
It is a balanced prime because it is at equal distance from previous prime (250768757) and next prime (250768781).
It can be written as a sum of positive squares in only one way, i.e., 194323600 + 56445169 = 13940^2 + 7513^2 .
It is a cyclic number.
It is not a de Polignac number, because 250768769 - 24 = 250768753 is a prime.
It is a super-2 number, since 2×2507687692 = 125769951011550722, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (250768709) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125384384 + 125384385.
It is an arithmetic number, because the mean of its divisors is an integer number (125384385).
Almost surely, 2250768769 is an apocalyptic number.
It is an amenable number.
250768769 is a deficient number, since it is larger than the sum of its proper divisors (1).
250768769 is an equidigital number, since it uses as much as digits as its factorization.
250768769 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1270080, while the sum is 50.
The square root of 250768769 is about 15835.6802506239. The cubic root of 250768769 is about 630.6055896880.
The spelling of 250768769 in words is "two hundred fifty million, seven hundred sixty-eight thousand, seven hundred sixty-nine".
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