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268982159 is a prime number
BaseRepresentation
bin10000000010000…
…101011110001111
3200202010201011012
4100002011132033
51022324412114
642405115435
76444211355
oct2002053617
9622121135
10268982159
11128919306
12760b8b7b
134395a754
1427a1b7d5
151893363e
hex1008578f

268982159 has 2 divisors, whose sum is σ = 268982160. Its totient is φ = 268982158.

The previous prime is 268982137. The next prime is 268982191. The reversal of 268982159 is 951289862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268982159 - 28 = 268981903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268985159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134491079 + 134491080.

It is an arithmetic number, because the mean of its divisors is an integer number (134491080).

Almost surely, 2268982159 is an apocalyptic number.

268982159 is a deficient number, since it is larger than the sum of its proper divisors (1).

268982159 is an equidigital number, since it uses as much as digits as its factorization.

268982159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 50.

The square root of 268982159 is about 16400.6755653540. The cubic root of 268982159 is about 645.5172094932.

It can be divided in two parts, 2689 and 82159, that added together give a palindrome (84848).

The spelling of 268982159 in words is "two hundred sixty-eight million, nine hundred eighty-two thousand, one hundred fifty-nine".