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268678337 = 2579531097
BaseRepresentation
bin10000000000111…
…011010011000001
3200201120021101112
4100000323103001
51022240201322
642354413105
76441504524
oct2000732301
9621507345
10268678337
11128731014
1275b91195
1343882385
142797cbbb
15188c35e2
hex1003b4c1

268678337 has 8 divisors (see below), whose sum is σ = 270252936. Its totient is φ = 267108352.

The previous prime is 268678331. The next prime is 268678379. The reversal of 268678337 is 733876862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78127921 + 190550416 = 8839^2 + 13804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268678337 - 24 = 268678321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268678331) 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, 244373 + ... + 245469.

It is an arithmetic number, because the mean of its divisors is an integer number (33781617).

Almost surely, 2268678337 is an apocalyptic number.

It is an amenable number.

268678337 is a deficient number, since it is larger than the sum of its proper divisors (1574599).

268678337 is a wasteful number, since it uses less digits than its factorization.

268678337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its digits is 2032128, while the sum is 50.

The square root of 268678337 is about 16391.4104640205. The cubic root of 268678337 is about 645.2740753780.

The spelling of 268678337 in words is "two hundred sixty-eight million, six hundred seventy-eight thousand, three hundred thirty-seven".

Divisors: 1 257 953 1097 244921 281929 1045441 268678337