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268529741 is a prime number
BaseRepresentation
bin10000000000010…
…111000001001101
3200201021201112222
4100000113001031
51022220422431
642351305125
76440315354
oct2000270115
9621251488
10268529741
1112863a407
1275b1b1a5
134382c84c
142794099b
151889457b
hex1001704d

268529741 has 2 divisors, whose sum is σ = 268529742. Its totient is φ = 268529740.

The previous prime is 268529707. The next prime is 268529743. The reversal of 268529741 is 147925862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257474116 + 11055625 = 16046^2 + 3325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-268529741 is a prime.

Together with 268529743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 268529692 and 268529701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268529743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134264870 + 134264871.

It is an arithmetic number, because the mean of its divisors is an integer number (134264871).

Almost surely, 2268529741 is an apocalyptic number.

It is an amenable number.

268529741 is a deficient number, since it is larger than the sum of its proper divisors (1).

268529741 is an equidigital number, since it uses as much as digits as its factorization.

268529741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 268529741 is about 16386.8770972385. The cubic root of 268529741 is about 645.1550944064.

The spelling of 268529741 in words is "two hundred sixty-eight million, five hundred twenty-nine thousand, seven hundred forty-one".