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250768769 is a prime number
BaseRepresentation
bin11101111001001…
…10110110000001
3122110212101002012
432330212312001
51003144100034
640514502305
76133333166
oct1674466601
9573771065
10250768769
11119609319
126bb94995
133cc515b4
142543a06d
1517036cce
hexef26d81

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".