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268389006 = 2344731501
BaseRepresentation
bin11111111111101…
…00101010001110
3200201000120111120
433333310222032
51022201422011
642344301410
76436161144
oct1777645216
9621016446
10268389006
111285536a6
1275a71866
13437b0782
1427905594
1518867a06
hexfff4a8e

268389006 has 8 divisors (see below), whose sum is σ = 536778024. Its totient is φ = 89463000.

The previous prime is 268388987. The next prime is 268389007. The reversal of 268389006 is 600983862.

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

268389006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268389007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22365745 + ... + 22365756.

It is an arithmetic number, because the mean of its divisors is an integer number (67097253).

Almost surely, 2268389006 is an apocalyptic number.

268389006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268389006 is a wasteful number, since it uses less digits than its factorization.

268389006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44731506.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 268389006 is about 16382.5823971680. The cubic root of 268389006 is about 645.0423672669.

The spelling of 268389006 in words is "two hundred sixty-eight million, three hundred eighty-nine thousand, six".

Divisors: 1 2 3 6 44731501 89463002 134194503 268389006